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[Mod] [Slay the Spire] Mittens mod


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Posted

[Slay the Spire] Mittens mod


===Description===
This mod adds Mittens, a cat girl who just wants to drink milk, play with string, and live a happy life.

Mod adds
42 new cards
8 new powers

===Requirements===


===Credits===
@-TYRS- - for preserving and publishing the original mod.

===Support Author===
Patreon

Mod Made By Spoilt_Malk

If you are the owner of the mod and wish for me to remove the mod, please contact me

===Changelogs===
Version 0.4.1:

Spoiler

Bug Fixes:
Cards:
Toxic Guard: Fixed a bug that made it impossible to play this card if the enemy had no debuffs.

Powers:
Claws: Fixed a bug that caused the game to loop, applying debuffs to enemies if the player had Claws.


Version 0.4:

Spoiler

New:
Cards:
Toxic Guard: 1 cost; common; skill; 6 block, if enemy has any debuff, gain 6 additional block; upgrade: 9 block and 9 additional block
Hasty Block: 0 cost; common; skill; 4 block; upgrade: 7 block
Claw Growth: 1 cost; common; power; 1 claws; upgrade: 2 claws

Powers:
Claws: Apply more debuffs on enemies.

Adjusted:
Cards:
Milk Stick: 2 make milk; upgrade: innate, 2 make milk -> 2 make milk; upgrade: removed innate, 4 make milk
Glare: attack 5, block 4; upgrade: attack 7, block 5 -> attack 5, block 4; upgrade: attack 9, block 8
Look Cute: block 3, 1 weak and vulnerable; upgrade: block 5, 2 weak and vulnerable -> block 5, 1 weak and vulnerable; upgrade: block 8, 2 weak and vulnerable

 

Version 0.3:

Spoiler

New:
Cards:
Cat Reflex: 5 damage, 2 temporary dexterity; upgrade: 8 damage, 4 temporary dexterity
Feline Poise: 4 block, 2 temporary strength; upgrade: 7 block, 4 temporary strength
Toxic Scratch: 6 damage, 2 poison, 2 poison again if the enemy intends to defend; upgrade: 9 damage, 4 poison, 4 poison again if the enemy intends to defend
Knit Together: 8 block, 5 yarn; upgrade: 11 block, 9 yarn

Localisation:
Ukrainian

Adjusted:
Cards:
Make More Milk: cost 2, make milk 2; upgrade: cost 1, make milk 2 -> cost 1, make milk 2; upgrade: cost 1, make milk 3

Starting deck:
Add: x1 Lick, x1 Ball Up, x1 Cat Reflex, x1 Feline Poise
Removed: x1 Milk Drink, x1 Leash

Bug Fixes:
“The Library” event no longer causes crashes.

 

Version 0.2:

Spoiler

Bug Fixes:
Fixed a bug where the “The Library” event did not load cards (but this event can still crash the game; for stable work, more cards need to be added).

 


  • Submitter
  • Submitted
    11/10/25
  • Category
  • Requirements
    ModTheSpire, BaseMod, StSLib
  • Install Instructions

 

  • 3 weeks later...
Posted (edited)

Every time I play Toxic Guard, the game crashes. No idea if it's relevant, but I was fighting the stabby elite in act 2. *Also played it against the annoying plant thing on the same floor, same error.

 

04:25:27.541 INFO basemod.BaseMod> publish on card use: Mittens:ToxicGuard
04:25:27.541 INFO core.CardCrawlGame> Exception occurred in CardCrawlGame render method!
04:25:27.541 ERROR core.CardCrawlGame> Exception caught
java.lang.NullPointerException: null
	at mittens.cards.ToxicGuard.hasDebuff(ToxicGuard.java:45) ~[Mittens%20new.jar:?]
	at mittens.cards.ToxicGuard.use(ToxicGuard.java:25) ~[Mittens%20new.jar:?]
	at com.megacrit.cardcrawl.characters.AbstractPlayer.useCard(AbstractPlayer.java:1698) ~[?:?]

 

Edited by togashikokujin
added info
Posted (edited)
6 hours ago, togashikokujin said:

Every time I play Toxic Guard, the game crashes. No idea if it's relevant, but I was fighting the stabby elite in act 2. *Also played it against the annoying plant thing on the same floor, same error.

 

04:25:27.541 INFO basemod.BaseMod> publish on card use: Mittens:ToxicGuard
04:25:27.541 INFO core.CardCrawlGame> Exception occurred in CardCrawlGame render method!
04:25:27.541 ERROR core.CardCrawlGame> Exception caught
java.lang.NullPointerException: null
	at mittens.cards.ToxicGuard.hasDebuff(ToxicGuard.java:45) ~[Mittens%20new.jar:?]
	at mittens.cards.ToxicGuard.use(ToxicGuard.java:25) ~[Mittens%20new.jar:?]
	at com.megacrit.cardcrawl.characters.AbstractPlayer.useCard(AbstractPlayer.java:1698) ~[?:?]

 

Yeah, I forgot to add a check to see if the enemy had debuffs or not. So when they didn't, the game gave this error.
About an infinite loop - it was because of the new power “Claws”, I already fixed it.
Thank you for the report.

Edited by Faithful Fox
  • 1 month later...
Posted
9 hours ago, nightshad said:

any chance of adding breast inflation to the spirit every time more milk cards are used?

Theoretically, yes, but to do that, I need to find an AI that can create NSFW content for free, and on top of that, I need to be able to upload an example to it. Or I need to learn how to draw.
So, unfortunately, I won't be able to do that right now, but maybe someday.

  • 2 weeks later...
Posted
On 1/13/2026 at 3:27 AM, Faithful Fox said:

Theoretically, yes, but to do that, I need to find an AI that can create NSFW content for free, and on top of that, I need to be able to upload an example to it. Or I need to learn how to draw.
So, unfortunately, I won't be able to do that right now, but maybe someday.

perchance does AI free or are you talking about videos? there are some but .... they dont last long

Posted
14 hours ago, nightshad said:

perchance does AI free or are you talking about videos? there are some but .... they dont last long

I only need image generation. I’ve already found an AI for that, but it’s paid.

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