I hope this makes sense. My game crashed during the Knowing Skull event. I bought three potions so that I could fulfill the quest for discarding three potions. The game crashed when I got the card.

Here's my crash log:
Version Info:
- Java version (1.8.0_144)
- Slay the Spire (12-18-2022)
- ModTheSpire (3.30.3)
Mod list:
- basemod (5.56.0)
- stslib (2.12.0)
- mintyspire (2.5.9)
- OptimizeTheSpire (1.2.0)
- RelicStats (1.2.2)
- RunHistoryPlus (1.8.2)
- Shade (1.3)
- BlueArchive_Aris (1.0.10)

Begin patching...
Patching enums...Done.
Finding core patches...
Finding patches...
Patching Overrides...
Injecting patches...Done.
Compiling patched classes...Done.
Busting enums...Done.

Setting isModded = true...Done.

Adding ModTheSpire to version...Done.

Initializing mods...
- BaseMod
- basemod.BaseMod
libgdx version 1.9.5
03:49:11.882 INFO basemod.BaseMod> initializeGson
03:49:11.895 INFO basemod.BaseMod> initializeTypeMaps
03:49:11.901 INFO basemod.BaseMod> Registered MonsterStrings
03:49:11.902 INFO basemod.BaseMod> Registered PowerStrings
03:49:11.918 INFO basemod.BaseMod> Registered CardStrings
03:49:11.918 INFO basemod.BaseMod> Registered RelicStrings
03:49:11.919 INFO basemod.BaseMod> Registered EventStrings
03:49:11.919 INFO basemod.BaseMod> Registered PotionStrings
03:49:11.919 INFO basemod.BaseMod> Registered CreditStrings
03:49:11.935 INFO basemod.BaseMod> Registered TutorialStrings
03:49:11.935 INFO basemod.BaseMod> Registered KeywordStrings
03:49:11.936 INFO basemod.BaseMod> Registered ScoreBonusStrings
03:49:11.936 INFO basemod.BaseMod> Registered CharacterStrings
03:49:11.937 INFO basemod.BaseMod> Registered UIStrings
03:49:11.938 INFO basemod.BaseMod> Registered OrbStrings
03:49:11.938 INFO basemod.BaseMod> Registered StanceStrings
03:49:11.952 INFO basemod.BaseMod> Registered RunModStrings
03:49:11.953 INFO basemod.BaseMod> Registered BlightStrings
03:49:11.953 INFO basemod.BaseMod> Registered AchievementStrings
03:49:11.953 INFO basemod.BaseMod> initializePowerMap
03:49:12.287 INFO basemod.BaseMod> initializeUnderscorePowerIDs
03:49:12.296 ERROR basemod.DevConsole> Failed to load dev console history: java.nio.file.NoSuchFileException: C:\Users\andre\AppData\Local\ModTheSpire\BaseMod\console-history.txt
- 434ms
- StSLib
- com.evacipated.cardcrawl.mod.stslib.StSLib
- 1ms
- Minty Spire (QoL Compilation)
- mintySpire.MintySpire
03:49:12.308 INFO mintySpire.MintySpire> Detected StSLib
- 2ms
- Optimize The Spire
- OptimizeTheSpire.OptimizeTheSpire
- 0ms
- Relic Stats
- relicstats.SlayTheRelicsIntegration
- 0ms
- relicstats.RelicStats
- 2ms
- Run History Plus
- runhistoryplus.RunHistoryPlus
- 1ms
- Shade Mod
- shade.ShadeMod
- 12ms
- BlueArchive_Aris Mod
- BlueArchive_Aris.DefaultMod
- 6ms
Done.

Starting game...
Controllers: added manager for application, 1 managers active
Clearing leaderboard font textures...
CardModifierManager: WARNING: splittable resources spent for Strikewithout being sufficient!
looking for file: saves\ARIS.autosave
looking for file: saves\ARIS.autosave
Clearing leaderboard font textures...
CardModifierManager: WARNING: splittable resources spent for Strikewithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Strikewithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Super Nova+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Grindingwithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Defendwithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Shoot The Floorwithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Strikewithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for BF Strike+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Job Masterywithout being sufficient!
03:52:58.722 INFO OptimizeTheSpire.OptimizeTheSpire> Unneeded element iterations skipped: 414209
03:52:58.723 INFO OptimizeTheSpire.OptimizeTheSpire> Logs prevented: 2359
03:53:11.605 ERROR relics.MembershipCardInfo> Could not find discount for purchased relic.
03:53:13.489 ERROR relics.MembershipCardInfo> Could not find discount for purchased card.
03:53:17.572 ERROR relics.MembershipCardInfo> Could not find discount for purchased card.
CardModifierManager: WARNING: splittable resources spent for Defendwithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Transformer+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Cabinet+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Shoot The Floorwithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Defendwithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Defendwithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for LevelUpwithout being sufficient!
03:57:57.853 INFO OptimizeTheSpire.OptimizeTheSpire> Unneeded element iterations skipped: 1058393
03:57:57.853 INFO OptimizeTheSpire.OptimizeTheSpire> Logs prevented: 2768
CardModifierManager: WARNING: splittable resources spent for BF Strike+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Fishing+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Job Masterywithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Strikewithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Auto Recovery+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Cabinet+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Cloak And Glass Rod+without being sufficient!
CardModifierManager: WARNING: splittable resources spent for Thoughtstealwithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Chokewithout being sufficient!
CardModifierManager: WARNING: splittable resources spent for Bzzzzzwithout being sufficient!
04:05:06.219 INFO OptimizeTheSpire.OptimizeTheSpire> Unneeded element iterations skipped: 2301159
04:05:06.219 INFO OptimizeTheSpire.OptimizeTheSpire> Logs prevented: 3296
04:07:16.404 ERROR core.CardCrawlGame> Exception caught
java.util.ConcurrentModificationException: null
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) ~[?:1.8.0_144]
at java.util.ArrayList$Itr.remove(ArrayList.java:865) ~[?:1.8.0_144]
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.update(AbstractDungeon.java:2619) ~[?:?]
at com.megacrit.cardcrawl.core.CardCrawlGame.update(CardCrawlGame.java:876) ~[?:?]
at com.megacrit.cardcrawl.core.CardCrawlGame.render(CardCrawlGame.java:423) [?:?]
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:225) [?:?]
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126) [?:?]
Controllers: removed manager for application, 0 managers active
Game crashed.
Version Info:
- Java version (1.8.0_144)
- Slay the Spire (12-18-2022)
- ModTheSpire (3.30.3)
Mod list:
- basemod (5.56.0)
- stslib (2.12.0)
- mintyspire (2.5.9)
- OptimizeTheSpire (1.2.0)
- RelicStats (1.2.2)
- RunHistoryPlus (1.8.2)
- Shade (1.3)
- BlueArchive_Aris (1.0.10)

Cause:
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
at java.util.ArrayList$Itr.remove(ArrayList.java:865)
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.update(AbstractDungeon.java:2619)
at com.megacrit.cardcrawl.core.CardCrawlGame.update(CardCrawlGame.java:876)
at com.megacrit.cardcrawl.core.CardCrawlGame.render(CardCrawlGame.java:423)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:225)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126)