The floor generation can fail and cause the guaranteed Planetarium to not spawn sometimes. Amount changed equals the equivalent stat up/down pill. debug 1 - Displays hitboxes of objects. by doing a victory lap), UNLOCK: Unlock this item by beating Mom's Heart on Hard Mode with Apollyon, *, grey, gray, brown, orange, steam, coffee, tea, drink, cup, When used, Compost doubles up the current number of blue flies and spiders you have, When picked up, Compost will also destroy every consumable on the ground in the current room and turn each of them into a blue fly or blue spider, If you have no pickups on the ground in the current room and no other flies or spiders, Compost will spawn 1 blue fly or blue spider, When used, this item will distort all the sprites and music, rotating graphics 90 degrees and translating them diagonally up/left, while leaving the hitbox in the same place. Using Sumptorium as her will then cause all Clots to be consumed and return your hearts back to you. When used, replaces all pedestal items in the current room with another random item. e.g. REPENTANCE - Dead Sea Scrolls now displays the name of the given effect, and can no longer give Kamikaze. The only way to remove it is via having a second trinket slot (Mom's Purse, Belly Button) or absorbing it (Marbles, Smelter, Gulp! He won't respawn even if you move to a new floor, Will always match your current movement speed, UNLOCK: Unlock this item by defeating The Beast as Tainted Keeper, Only found in the Mausoleum/Gehenna II boss room, The item itself has no effect, but triggers the ascent through the backwards path towards the Home floor. Just select an item from each of the two selection boxes below to see a description of . First ever time beating beast, and completing a list. poison effect for Pestilence, Added as part of the Afterbirth+ Booster Pack #3. These can be smaller or big batteries, Upon use, Mom's Bracelet allows you to grab objects in the room and throw them, damaging any enemies which are hit for 40 damage, Most objects can be thrown including pots, rocks, poops, tnt etc, Pressing the activate button again will drop the object where you stand, which doesn't consume a charge of use, Allows you to remove the skull on top of Host enemies, turning them into the red version, *, arm, moms, ring, bracers, zelda, gold band, golden band, power bracelet, When used, this item spawns a Peeper familiar for the current room, which deals 12 contact damage per tick to enemies and leaves red creep in its path, Using this item removes Isaac's right eye, causing tears from this eye to deal x1.5 your normal tear damage, Using it more than once in the same room will spawn multiple Peeper familiars, Fired tears now have a chance to summon a rift when they land on the ground, The spawned rift sucks in enemies, projectiles and pickups and deals damage to enemies caught inside for 2 seconds, The chance to fire the rift tear can improve based on your luck stat. The damage formula of the bombs has changed from damage * 5 + 30 to damage * 10, UNLOCK: Unlock this item by beating Mom's Heart 9 times, * item room, treasure room, item room pool, baby, fetus, foetus, jar, white, pink, bug, dr fetus, Causes pickups on the floor move towards the player, Works across pits, but not through Key blocks, REPENTANCE - Magneto is now capable of opening chests from a small distance. shop item pool, brown, x, cross, paper, Isaac has a random chance to fire another tear out the back of his head, The chance to fire the second tear can improve based on your luck stat and will always activate at +5 Luck, At +0 luck theres a ~50% chance for this effect to activate, Synergizes very well with a lot of items. blue, glow, arrow, cross, * astrology, astronomy, item room, treasure room, item room pool, cyan, black, blue, glow, n, tail, Leaves a trail of tears on the floor behind Isaac which damages enemies that walk over it for 2 damage per tick, REPENTANCE - Aquarius now synergizes with tear effects, * astrology, astronomy, item room, treasure room, item room pool, black, blue, cyan, blue, glow, Both the box and trinket are consumed when this happens, UNLOCK: Unlock this trinket by defeating Isaac, ?? The only way to remove broken hearts is by donating to a Confessional Machine, UNLOCK: Unlock this item by defeating Mother in the Corpse II as Jacob & Esau, Holding the fire button charges up a light beam attack similar to Brimstone, The light beam deals damage equal to your current tear damage per tick to any enemies touching it, UNLOCK: Unlock this item by defeating Mother in the Corpse II as Bethany, When picked up, this item gives you a stat increase, based on which is currently the lowest. Item Pool: Item Room, Devil Room, Library, * item room, treasure room, item room pool, devil pool, devil room pool, devil deal, book, brown, blue, monster manuel, manaul, Upon use, the dead sea scrolls gives a random spacebar item effect, An item that can be found in the Angel room. When used in the backwards path after picking up Dad's Note, R key will skip you to the Basement 1 version of this path, which leads directly to the Home floor. Boosts speed, range, shot speed, tears and damage if they are above their base values by roughly +20%, Affects stat bonuses from passive items, trinkets that are absorbed or in a second trinket slot, and permanent bonuses given by items such as Void, UNLOCK: Unlock this trinket by getting a 5-win streak in daily challenges (must have a score of above 0 on the score screen), While held, gives the Skatole effect only in certain rooms, which will turn hostile flies to neutral and stop others from shooting, Attack, Dart and Ring Flies turn into neutral Black Flies and Pooters and Fat Flies will no longer fire at you, Items and trinkets which generate blue flies and spiders will have double the effect, causing twice as many to spawn, *, grey, gray, green, arrow, flower, plant, Some tears will randomly become a black tooth, that deal double your normal tear damage and can poison enemies, Tears become spectral and travel in a huge spiral pattern, Every time you take damage you have a very small chance to gain a Tonsil familiar, which follows you and blocks enemy projectiles, This effect can happen twice before the Tonsil trinket is destroyed, Your tears have a random chance to become booger tears, Booger tears stick on to enemies and deal periodic poison damage until they die or 60 seconds passes. 3. r/thebindingofisaac. They do not block enemy shots, UNLOCK: Unlock this item by defeating The Beast as Tainted Lilith, Isaac builds rage each time you clear a new room. I've redone some of the TBOI's items, here's a showcase of just 4 of ones I've changed (right now I've modified a total of 19 items), which I personally think needed a change. REPENTANCE - Scapular won't grant its soul heart if the player is attempting to proc it with certain heart donation mechanics (such as IV Bag), * angel room pool, god room pool, angel room item, item room, treasure room, item room pool, in The Chest as Apollyon, Upon entering a room with enemies, spawns a Black Locust that deals quadruple Isaac's damage, applied as two hits of double damage, UNLOCK: Unlock this trinket by defeating The Lamb as Apollyon, At the start of each new hostile room you spawn 2-5 white attack flies, which will target a nearby enemy and deal double your tear damage to it, UNLOCK: Unlock this trinket by defeating Boss Rush as Apollyon, When killing an enemy, you have a very small chance to gain the ability to fly for the rest of the room, UNLOCK: Unlock this trinket by defeating Greedier Mode with Azazel, Stem Cell heals Isaac's red heart containers to 50% each floor, If Isaac already has 50% health or more, it heals half of a heart instead, UNLOCK: Unlock this trinket by defeating Greedier Mode with Samson, Fully recharges your active item at the start of each boss fight, Added as part of the Afterbirth+ Booster Pack #1 and based on the Steam Workshop mod created by Zaratus, Gives you the Holy Mantle shield effect at the start of every new floor, which protects you from the next hit of damage you take, Does not recharge until the start of the next floor, Stacks with the effects from Holy Mantle and Blanket, but it does not stack with Holy Card, Added as part of the Afterbirth+ Booster Pack #1 and based on the Steam Workshop mod created by Ep and Mills, Using your active item while holding this trinket will drop it back on a pedestal on the ground, Also after taking damage, you have a very small chance to drop one of your passive items, One-time use active items will be consumed and not dropped, Added as part of the Afterbirth+ Booster Pack #1 and based on the Steam Workshop mod created by MarkusLeben and iguesti, *, yellow, golden, box, block, square, cube, Holding this trinket will cause the Angel mini bosses to drop normal items instead of Key Pieces, Added as part of the Afterbirth+ Booster Pack #2, designed by Edmund McMillen, While held, the last door Isaac went through stays open, allowing him to leave the room even if enemies are in it, This trinket works on boss rooms (except Ultra Greed) and devil rooms containing Krampus, allowing you to exit out mid-fight, UNLOCK: Unlock this trinket by blowing up doors and secret room walls 50 times, *, door, stop, wedge, cheese, wood, brown, hodor, game of thrones, Wylis, After being picked up, a yellow laser chain now flows through Isaac's familiars, Added as part of the Afterbirth+ Booster Pack #4 and based on the Steam Workshop mod created by Strawrat and Aczom, While held, spawns +1 friendly blue fly every time you pick up a coin, Added as part of the Afterbirth+ Booster Pack #5. Includes various cheats. The Knife Piece 1 is located in the Item Room in the mirrored area. After entering a Planetarium the chance goes back to 1%. Each use of this item gives +0.7 Damage Up, -0.18 Speed Down and the ability to destroy most obstacles for the current room. ?, Satan and The Lamb as Tainted Apollyon, Gives you a red attack fly, that will charge at enemies in the same direction you are shooting, Deals damage equal to your current tear damage, Stops charging once it hits an enemy and returns to Isaac's side, UNLOCK: Unlock this trinket by defeating Mother as Tainted Apollyon, Gives a 33% chance to spawn an extra blind pedestal item in all future item rooms. Toxic Dips release a poison cloud when they move/die. ?, Satan and The Lamb as Tainted Cain, Spawns a sack at the start of each new floor, UNLOCK: Unlock this trinket by defeating Mother as Tainted Cain, Causes an Item Room and Shop to appear in Sheol, UNLOCK: Unlock this trinket by defeating Isaac, ?? REPENTANCE - +0.2 Speed Up (Used to be -0.1 Speed before Repentance). It also doesn't do poison damage despite having the tagline 'toxic aura tears', * item room, treasure room, item room pool, brown, pink, purple, plant, Upon entering every 4th unexplored room, the Broken Watch will either slow down or speed up all enemies in the room, The slow effect is much more common than the speed up, * shop room pool, shop item pool, blue, grey, gray, smashed, clock, broken stop watch, broken stopwatch, A blue boomerang which can be thrown in a similar fashion to Mom's Knife, to stun any enemies it hits and deal damage, The damage dealt by the Boomerang is equal to double your tear damage, The boomerang can also be used to grab pickups and consumables from a distance, similar to the legend of zelda boomerang, The range of the boomerang is affected by range, with number one the distance is very short and makes the item a lot less effective, The Boomerang can be used to kill shopkeeper corpses, allowing you to farm their drops for coins, items, Steam Sale etc, REPENTANCE - Boomerang is now piercing, and has far less downtime between throwing it and being able to fire tears again, * shop room pool, shop item pool, crescent, moon, blue, grey, gray, * boss room pool, boss room item, grey, gray, punk, Decreases the size of Isaac, and your player hitbox, making you less likely to be hit, * boss room pool, boss room item, pro plus, tablet, medicine, white, * boss room pool, boss room item, grey, orange, family, picture, * boss room pool, boss room item, mushroom, fungi, fungus, Item Pool: Boss Room, Gold/Stone Chest, Key Beggar, * boss room pool, boss room item, brass, bronze, brown, gold, REPENTANCE - Also drops the Match Stick trinket, * boss room pool, boss room item, white, red, * boss room pool, boss room item, syringe, needle, grey, purple, pink, * boss room pool, boss room item, the lost item pool, dog, biscuit, brown, orange, A one-time use item which when used, will duplicate any pedestal items or consumables in the current room, If used in a shop, the duplicated items can be taken for free, If used on a trinket, another random trinket will spawn instead of a duplicate, If used in the Boss Rush, all the duplicates can be taken for free as well as one of the original items, If used in a Devil Room or Black Market, the duplicates can be taken for free, When used, copies the effect of the pill you are currently holding without consuming it, The charge time of this item depends on the quality of the pill you're holding, When used, has a 50% chance to drop one random type of coin (penny, nickel or dime), UNLOCK: Unlock this item by donating 33 coins to the Greed Donation Machine, UNLOCK: Keeper starts with this item after beating Isaac with Keeper, With this item, at the start of every room you will deal double your tear damage to the entire room in a poison effect, Enemies killed now also leave a pool of creep on the ground where they died. Counts as 1 of 3 spider items needed towards the Spider Baby transformation. * item room, treasure room, item room pool, dungeon room, blood challenge room, arena pool, debug 6 - No visible effects. The Rosary Bead changes this to a 75%/25% chance of an angel or devil room (respectively), When Isaac takes damage, there is a chance he will gain the Gamekid effect, turning him invincible and dealing contact damage to any enemies he touches, The chance to activate the invincibility effect is affected by your luck stat and at +38 Luck it will activate every time you get hit, * , the lost item pool, nes, game, grey, gray, Tears shrink and grow in size as they go across the room, Does not appear to affect your damage and only the hitbox size of tears, Tears now move in a wave fashion across the room, While held, tears move in a spiral pattern across the screen at high speed, Effectively increases your range due to the tear pattern, Tears become flat and disc shaped giving them a larger hitbox, While this trinket is held, all items in the Shop cost 0 coins, After buying any 0 cent item in the Shop, the trinket disappears, UNLOCK: Unlock this item by beating the Chest with Lazarus, *, grey, gray, dollar, bill, note, cash, money, Isaac no longer takes damage from walking over spikes and blood creep while this trinket is held, * , the lost item pool, brown, pink, lump, ball, spot, 33% chance to drop a coin for every rock that you destroy, REPENTANCE - Previously was 100%, now 33%, UNLOCK: Unlock this item by destroying 100 rocks, Mom's Leg will now appear every 20 seconds and stomp down randomly in the room dealing 300 damage to enemies. Kreuzfahrer Jan 15, 2017 @ 2:03am. Unsubscribe Description. Explosion damage has increased to 100 (from 60). Clots returning back to Eve deal 3x damage as they suck back in, The type of heart consumed to create a clot will give it different abilities: Soul Hearts = More health, Black Hearts = Dark Matter effect, Eternal Hearts = Sacred Heart effect, Gold Hearts = Midas Touch effect, Bone Hearts = Compound Fracture effect, Rotten Hearts = Less health, Tainted Eve starts with this item, but can be used by any character after unlocking it and finding it in the item room, UNLOCK: This item comes along with Tainted Eve. Unlocked from the 'Once more with the feeling!' The Binding of Isaac: Android Edition allows you to take it with you everywhere you go . The Binding of Isaac: Afterbirth ID's I am a novice modder. purple, pink, mask, face, Puts a shield in front of Isaac which blocks projectiles, The shield will rotate based on the direction in which Isaac is firing tears, * angel room pool, god room pool, angel room item, blue, silver, metal, Gives Isaac a laser that will fire at random intervals in addition to your normal tears, Each laser does damage equal to your current tear damage, The laser will occasionally fire with one of these effects: Hook Worm, Spoon Bender, Tiny Planet, Mysterious Liquid, Rubber Cement, Luck has no effect on the rate at which Tech.5 fires and does not scale with items that increase your tears stat, UNLOCK: Unlock this item by beating Challenge #18 (The Host), * technology.5, tech 5, item room, treasure room, item room pool, white, red, eye, robot, Isaac now shoots two tears at once, but dealing -20% damage each, Unlike the Inner Eye and Mutant Spider items, this double shot item does not give a tears down, * 20 20, 2020, item room, treasure room, item room pool, black glasses, spectacles, Reveals the locations of the secret and super secret room for the current floor and all future floors, UNLOCK: Unlock this item by donating 10 pennies to the Shop, * normal beggar pool, normal judgement pool, coin beggar pool, coin judgement pool, shop room pool, Also works for opening Spiked Chests and Mimic Chests without taking damage, When used, this item restarts the game and places you back on the first floor with all your currently collected items, similar to doing a Victory Lap, Allows angel rooms to be found in the new run if a devil deal was taken in the first run, In Greed Mode and while playing as Tainted Keeper, this item costs 99 coins instead of 15. After reflecting a certain number of projectiles, Psy Fly enters a brief cooldown period, Every time you use Wavy Cap, it gives +0.75 Tears Up and -0.03 Speed Down, Also when used, this item will distort the screen and sound slightly, stacking every time you use it, All of these effects stack for the rest of the floor, meaning if used too many times the screen will be distorted so much it becomes unplayable, Each room you clear removes one use worth of effect - reducing the screen distortion slightly and giving +0.06 Speed Up and -0.3 Tears Down, This item was called Black Mushroom in Antibirth. Midnight Snack = +1 flat damage, +1 luck. * angel room pool, god room pool, angel room item, item room, treasure room, item room pool, spray, brown, white, yellow, moms purfume, Tears can now be charged and released in a shotgun style effect, much like Monstro's main attack, Partial charging does nothing - must be fully charged to use, * item room, treasure room, item room pool, pink, body part, monstros lung, On pickup Abaddon converts all your heart containers to black hearts, then gives you +2 more black hearts, Tears now have a chance to induce the fear effect, causing enemies to run away from Isaac for a short period, REPENTANCE - No longer kills Keeper when picked up, just reduces coin health to 1, UNLOCK: Unlock this item by beating the Chest with Azazel, * devil pool, devil room pool, devil deal, red devil sign, abandon, abadon, pentagram, Isaac leaves a trail of tar behind him which will slow down enemies that walk over it, Tears have a chance to slow enemies and their projectiles for a short period of time, The chance to slow enemies can improve based on your luck stat and will always slow enemies at +18 Luck, * item room, treasure room, item room pool, black, grey, gray, The Stop Watch applies a permanent but slight slowing effect to all enemies and their projectiles, The slowing effect has a reduced effect against Brimstone lasers fired by enemies, REPENTANCE - Stop Watch now slows down all enemies in the game once again, but the slow effect is much less drastic. paper, roll, white, All of Isaac's bombs now having a homing effect when placed on the floor, * boss rush pool, boss rush room, item room, treasure room, item room pool, bomb beggar, dead, E, space, or enter can be used to select an item. The charge direction now allows for a minor amount of control, * headless horseman, headless horsemen, red, grey, gray, A bag of bombs that will drop a bomb pickup every 2 rooms, UNLOCK: Unlock this item by beating Satan with Cain, * boss rush pool, boss rush room, secret room pool, item room, treasure room, item room pool, One exception to this is if you are playing as Lazarus or have Lazarus' Rags - you will respawn in the same room and get the kill, Plan C is 5 times rarer than other items in the same item pool, making it less likely to appear, UNLOCK: Unlock this item by defeating Greedier Mode with Lazarus, Item Pool: Shop, Devil Room, Curse Room, Red Chest, Demon Beggar, When used, the D1 duplicates 1 random pickup in the current room. (2% chance for the end of room drop to become a trinket), If a trinket has been smelted, it won't appear a second time unless the entire trinket pool is exhausted or you restart the run (e.g. in Isaac? Unlocked from Challenge #24 - PAY TO PLAY, Friends till the end - Spawns three friendly blue attack flies, Infested! Carry them with you", "The walls will harden over time. The Binding of Isaac: Rebirth Steam charts, data, update . the ability to fly. If you haven't unlocked Holy Mantle for The Lost yet, you won't gain the effect after touching a white fire so be careful! UNLOCK: Unlock this item by defeating Ultra Greed as Apollyon, At the start of each new hostile room, you have a 20% chance to gain a random charmed familiar which will fight for you, The charmed enemy has its own health bar and will die if it takes enough damage, Charmed enemies persist between each room and floor for as long as they stay alive, Allows you to have more than one charmed familiar at a time if you can keep them alive, * pokemon, phone, black, green, blue, gps, Every time one of your tears hits an enemy, it has a chance to start bleeding, which will cause it to take damage every 5 seconds, The bleed damage dealt by BackStabber is based on how quickly an enemy is moving (faster enemies take more damage), Damaging enemies from behind gives the bleed effect a 100% chance to apply, While an enemy bleeds, they leave behind creep that damages other enemies, The tear that inflicts the bleed effect also deals double damage, *, knife, dagger, red, heart, silver, knife, When used, Sharp Straw will deal damage to all enemies in the room, The damage dealt is equal to Isaac's current tear damage plus 10% of the enemy's max health, Every time this item deals damage, it has a 15% chance to drop 1/2 red hearts, REPENTANCE - Sharp Straw is now only able to generate half red hearts (previously, it generated half soul hearts if the player had no heart containers), A razor blade orbital that deals contact damage and applies the bleeding status effect to enemies and bosses, which will cause them to take damage every 5 seconds, The contact damage dealt by Mom's Razor is based on how quickly an enemy is moving (faster enemies take more damage), Its speed is not affected by the Guardian Angel item, An eye orbital that shoots tears that deal 3.5 damage and deals 2 contact damage per tick to enemies, The damage dealt by this orbital does not scale with damage upgrades, REPENTANCE - Bloodshot Eye now blocks enemy shots, has increased shot speed and rate of fire, and now only shoots when lined up with enemies, When used, spawns a charmed random white delirium version of a boss, that will fight for you and kill other enemies for the rest of the current room, Possible bosses spawned include most bosses in the game, Some bosses' effects can harm Isaac. the lost item pool, white, blue, cross, jar, Gives Isaac an eternal heart and the ability to fly, UNLOCK: Unlock this item by beating the Chest with Blue Baby, * golden chest pool, gold chest pool, blue head, the lost item pool, dead, ball, Upon taking damage, Isaac will fart a few times, causing all enemies in close proximity to become poisoned and leaving a gas cloud behind, Black Bean deals your tear damage for 6 ticks, * normal beggar pool, normal judgement pool, coin beggar pool, coin judgement pool, item room, treasure room, item room pool, the lost item pool, kidney, grey, gray, Allows Isaac to fly while the White Pony is held, While held, sets your speed stat to 1.5 if it isn't already that high. You have the Holy Mantle effect to prevent one hit per room, but taking another hit will kill you. They are still in the game data: COLLECTIBLE_PILLS_HERE = 43 COLLECTIBLE_059 = 59 After killing a 15 enemies, Blood Puppy transforms into an aggressive version that will also attack Isaac by charging at him. purple, An orbiting fly which deals 2 contact damage per tick to enemies, * item room, treasure room, item room pool, blue, Has a chance to drop from the Super Gluttony miniboss fight, Item Pool: Item Room, Super Gluttony Miniboss, * item room, treasure room, item room pool, the lost item pool, white, grey, gray, tub, Allows Isaac to fly while the Pony is held, Sets your speed stat to 1.5 if it isn't already that high, When the active attack is used, Isaac will dash across the screen dealing scaling contact damage to anything he hits, Drops from the Headless Horseman boss fight, REPENTANCE - A Pony's charge time has been reduced to 2 (from 4). devil deal, pink, brown, face, spots, Can be placed next to a pit and exploded to make a bridge, Can be placed over a broken red poop to overwrite it, causing it to no longer regenerate, Counts as 1 of 3 poop items needed towards the Oh Crap transformation, * item room, treasure room, item room pool, starting, turd, brown, Drops a large bomb below the player which does 185 damage, Compatible with bomb modifiers, such as Glitter Bombs, Sticky Bombs etc, Has a chance to drop from the Wrath miniboss fight, REPENTANCE - Damage buffed from 110 to 185, Item Pool: Item Room, Wrath Miniboss, Bomb Beggar, * mr boom, boss rush pool, boss rush room, item room, treasure room, item room pool, bomb beggar, face, smile, grey, gray, Each tear is equal to your damage stat + 25 flat damage, The tears spawned from Tammy's Head retain tear effects of Isaac's tears, such as poison or homing, * golden chest pool, gold chest pool, dead, cat, white, yellow, tammys head, tammy head, When used, freezes all enemies in the current room for about 4 seconds, Item Pool: Item Room, Challenge Room, Mom's Chest, * dungeon room, blood challenge room, arena pool, item room, treasure room, item room pool, You still take damage however when using Blood Donation machines and Devil Beggars, *, spikes, spikey, spike rock, greyhost, grey host, Causes all pedestal items to show up as rotating items, that swap every 1 second between the original spawned item and a HP up item. However after the attack you end up near the boss, which puts you in danger of taking damage too, Scales in damage and area of effect with the player's size, UNLOCK: Unlock this item by defeating Delirium as Jacob & Esau, When used will do a swipe attack in any direction. Without the long-range version, his mini-brimstone won't have enough length to use any homing items. ?, Satan and The Lamb as Tainted Jacob, Gives you a familiar that follows Isaac's exact movements (similar to how Jacob & Esau work) and shoots spectral tears, Similar to Jacob and Esau, positions can be altered by running it into objects, or holding the drop button (Ctrl on Steam version), When you place a bomb, the Found Soul will drop one too, If it takes any damage, it will die and not respawn until the next floor, UNLOCK: Unlock this trinket by defeating Mother as Tainted Jacob, Everytime you use your active item, you have a chance to activate another random active item, Glowing Hourglass effect is blocked from this item, UNLOCK: Unlock this trinket by defeating Isaac, ?? Each secret room contains a beam of light, that gives half a soul heart, and a Tears Up for the rest of the floor. - Turns Isaac invincible for a few seconds (similar to Unicorn Stump). 4 keys = 50% chance. When an enemy touches the halo for couple of seconds, a beam of light will come down and deal a burst of damage to it, The triggered beam also fires in all 4 cardinal directions, dealing damage to anything it touches, Every time Isaac takes damage, the halo grows slightly bigger up to a maximum of 10 times.