• Satanic Rituals now have their own dedicated room type: Ritual rooms.
  
  • This room has a 5% chance of replacing the floor's sacrifice room and increases by 1% for every devil deal taken during the run.
    
  • The room can't appear on the first floor.
    
  • Satanic Rituals can also still appear in their own super secret and devil room layout, but removed their curse room, Gehenna, and Sheol layouts.
    
  • Note: You'll need MiniMAPI in order to see the Ritual room icon on the minimap, otherwise it'll show up as a regular sacrifice room.
• Added a MiniMAPI icon for Satanic Rituals.
  
• Bloodsplosion now counts towards Fiend Folio's Fuzzy Pickle trinket.

• Halved the chance of items in red treasure rooms being from the devil pool for Mastema.
  
• Mastema now gains wisps from his pocket active while holding Book of Virtues.
  
• Tainted Mastema has received a number of tweaks:
  
  • No longer starts with a pocket Satanic Bible.
    
  • Active items now cost broken hearts when first picked up.
    
  • Items in devil rooms and black markets no longer additionally cost soul hearts.
    
  • Now also starts with Devil's Crown and has the effect of Duality.
    
  • Items in treasure rooms now have a 50/50 chance of being from the devil pool.
    
  • Defeating Uriel or Gabriel in an angel room now spawns a confessional if the room doesn't already have one.
    
  • Blacklisted Battery Pack, Booster Pack, Box, and Match Book from giving broken hearts.
    
  • Made treasure rooms more aesthetically fitting.

• Added custom Book of Virtues wisps for all of the mod's active items.
  
• Added Abyss locusts for Sinister Sight, Corrupt Heart, and Bloodsplosion (if you have ideas for the other items, feel free to let me know in the comments).
  
• Resprited Bloody Harvest, Sinister Sight, Bloodsplosion, Life Savings, Purist's Heart, and Spirit's Heart.
  
• Resprited almost every item's collection icon.
  
• Devil's Bargain can no longer be overcharged or charged with batteries.
  
• Bloodsplosion's creep now increases in size when you have Lost Cork.
  
• Corrupt Heart now spawns twice the amount of black locusts when you have Fish Tail.
  
• Mastema's Wrath now has a unique sprite for its indicator.
  
• Eternal Card finally works with modded cards.
  
• Unholy Card now grants mega Brimstone for 30 seconds instead of just for the room.

• Fixed a major bug when Mastema picks up illusion hearts or uses Book of Illusions.
  
• Fixed a game break between Mastema, Habit, and restocked soul hearts.
  
• Fixed Devil's Bargain removing items from the pool when it shouldn't.
  
• Fixed Torn Wings not giving a tears up when you have flight from Empty Vessel.
  
• Fixed Corrupt Heart converting hearts that spawned before picking up the item.
  
• Fixed the damage gained from Sanguine Jewel applying to all players in co-op.
  
• Fixed the mod's runes spawning if not unlocked and no vanilla runes are unlocked.

In case you haven't seen, there's now a Fandom wiki with detailed info on all the mod's content. Check it out![mastema-mod.fandom.com]

• Quality 2 items now only cost 1 broken heart for T Mastema.
  
• Blacklisted Pageant Boy, Boom!, A Quarter, Latch Key, PJs, 2 Fiend Folio items, and 5 Retribution items from giving T Mastema broken hearts.
  
• Added Corrupt Heart to the curse room pool.
  
• Increased Soul of Mastema's mimic charge to 12.
  
• Tweaked EID and Encyclopedia descriptions for Torn Wings, Life Savings, and Life Dice.
  
• Added [Mastema] to the names of rooms added by this mod.
  
• Fixed broken hearts not being rendered if a mod that loads after this one uses custom health API.
  
• Fixed pedestal items that were morphed not being able to cycle.
  
• Various code tweaks and improvements.

• Items rerolled in red treasure rooms will no longer always be from the devil pool for Mastema.
  
• Added a BFFS synergy to Sacrificial Chalice.
  
• Fixed the extra item in silver treasure rooms not being a blind item for Mastema.

• Fixed the white fire exploit for real this time.
  
• Fixed Satanic Charm not working for items that cost coins in devil rooms.

Fixed RNG issue with the Sanguine Bond spikes for both characters.

• Made Sanguine Bond an innate ability of both characters rather than a starting item.
  
• Blacklisted The Body, Black Lotus, Super Bandange, and 3 Fiend Folio items from giving T Mastema broken hearts.
  
• Items in tainted treasure rooms no longer give T Mastema broken hearts.
  
• Removed Anarchy (RIP) and replaced it with a new rune, Sanguine Jewel:
  
  • Basically a consumable version of the Sanguine Bond spikes.
    
  • Unlike the Sanguine Bond spikes, it damages red hearts first.
    
  • Sprite made by Nihil.
• Sinister Sight now gives a +0.5 tears up.
  
• Book of Jubilees now grants the effect of sleeping in a bed after 49 rooms rather than spawning one.
  
• Torn Wings now grants a tears up when under the effect of the white fire, Astral Projection, Spirit Shackles, and Esau Jr.
  
• Added an interaction between Life Savings and Satanic Rituals.
  
• Added a rare Sheol and Gehenna room that has a Satanic Ritual if they're unlocked.
  
• The Sanguine Bond spikes will now spawn in the current devil room when you first pick up the item.
  
• Added Russian EID translations (thanks to Warhamm2000).
  
• Moved some unlocks around:
  
  • Sinister Sight: Mother -> Delirium
    
  • Sacrificial Chalice: The Lamb -> Mother
    
  • Sanguine Jewel: The Lamb
• Fixed Mastema's blind item in red treasure rooms being revealed when rerolled.
  
• Fixed T Mastema gaining broken hearts when colliding with a pedestal while a player animation is playing.
  
• Fixed items in the Genesis room not being free for T Mastema.
  
• Fixed Sinister Sight not being able to apply fear with lasers, knives, etc.
  
• Fixed bomb pickups spawned by Bloody Harvest being free.
  
• Fixed Satanic Rituals not working properly for Jacob & Esau.
  
• Fixed Devil's Bargain not working properly in co-op.
  
• Fixed Soul of Mastema not glowing when it's on the ground.
  
• Fixed an issue where the game could sometimes freeze or become unresponsive when starting a run as either character.

Fixed the console commands for checking completion marks not working properly.

Fixed broken hearts not rendering above items for T Mastema while Fiend Folio is enabled.

• Items in ultra secret rooms now cost hp for Mastema.
  
• Bone hearts are now converted into full black hearts instead of half black hearts for T Mastema.
  
• Fixed Mastema being able to get free items by using the white fire on Downpour/Dross.
  
• Fixed Mastema having lower damage than he should with Soy/Almond Milk.
  
• Fixed T Mastema not having triple shot in the abandoned mineshaft.
  
• Fixed both characters regaining their starting items after exiting the abandoned minseshaft.
  
• Fixed Twisted Faith not working properly.

• Completely restructured and reorganized all of the mod's code.
  
• Made Duality an innate ability of Mastema rather than a starting item.
  
• Mastema now starts with a flat tears up rather than a multiplier.
  
• Removed Good Misfortune and replaced it with Satanic Rituals:
  
  • Removes 1 heart container or 2 soul hearts in exchange for a guaranteed stat up between damage, tears, speed, and luck.
    
  • The more times you play it, the higher the stat increases will be.
    
  • Can only be played up to 5 times.
    
  • Only appears in 1 specific devil, curse, and super secret room.
    
  • Unlocked by defeating Mega Satan as T Mastema.
• Removed Inner Demons and replaced it with a new item, Sacrificial Chalice:
  
  • Grants a chalice familiar that gets filled with blood each time you get hit.
    
  • When moving to the next floor, it'll spawn devil themed rewards based on how many hits you took on the previous floor, such as red chests, black hearts, black sacks, black locusts, or an item from the devil pool.
    
  • If you didn't get hit on the previous floor, then there's a negative effect. You'll either gain some broken hearts or lose some heart containers.
• Removed Coupon Bomb and replaced it with a new trinket, Satanic Charm:
  
  • Paying for a devil deal grants +0.5 damage up.
    
  • Mastema and T Mastema only gain +0.25 damage.
• Reworked the D<3:
  
  • Renamed it to Life Dice.
    
  • It's now a consumable that rerolls your health into a random amount, rather than keeping your total amount of health the same.
    
  • Added a new sprite for it.
• Reworked Corrupt Heart:
  
  • It now has a 33% chance to convert any heart type into either a black heart or black locusts.
    
  • Now adds a black heart on pickup.
    
  • It no longer adds black locusts when picking up black hearts.
    
  • Lowered its quality to 2.
    
  • Lowered its devil price to 1.
    
  • Added a visual for when hearts are converted into black hearts.
    
  • Added the item to the demon beggar pool.
• Twisted Faith is now a trinket that automatically gets smelted rather than being an item.
  
• Increased the damage gained from some pickups when consumed by Raven Beak.
  
• Torn Wings no longer gives a speed down.
  
• Lowered Anarchy's item pool weight.
  
• The fading damage bonus from Mastema's Wrath now decays much quicker while on the dark room/chest.
  
• Mastema's Wrath is now unlocked by beating boss rush as regular Mastema.
  
• Resprited Mantled Heart, Shattered Soul, and Prayer of Repentance (thanks to JPG).
  
• Improved the costume for Torn Wings (also thanks to JPG).
  
• Added Devil's Crown to Mastema's menu text.
  
• Tweaked some EID descriptions and added more icons to most of them.
  
• Fixed T Mastema's wings turning into angel wings when flying over obstacles.
  
• Fixed shops sometimes having multiple soul hearts for sale as T Mastema.
  
• Fixed items in the Death Certificate area not being free for T Mastema.
  
• Fixed both characters losing their costumes when entering the Genesis room.
  
• Fixed Torn Wings having a lower item pool weight in greed mode.
  
• Fixed the mod's cards, runes, and trinkets not being rerolled if you end up holding one while not having it unlocked.
  
• Fixed the mod's cards looking faded while they're on the ground.