• FourthKey now uses ShopGrid to display the Amethyst Key
  
• added compatibility with AlwaysNeverKeys
  
• added compatibility with Gilthead from NeatTheSpire

1.3.9

• Killing the merchant in Downfall will add the Amethyst key to the rewards
  
• Added interaction with Spire Biomes Keymaster Zone
  
  • all 4 keys required for zone to spawn
    
  • at the start of battle in this zone in addition to the other effects, gain 1 energy or draw 1 extra card

1.3.7

• Padlock relic from HugYouRelics grants 3 regen at the start of combat when the player has the Amethyst key

1.3.6

• fixed a crash when viewing the relic compendium with Pale of the Ancients on
  
• fixed the Act 4 difficulty increase not fully applying to Downfall's Act 4
  
• added compatibility with "Bundle of" Keybane keyword so it behaves as expected

Added:

• added interaction with Pale of the Ancients mod

• fixed downfall final boss not getting health increase
  
• changed purple key basemod command to amethyst key

Additions:
* added patches and files to support a fourth key for Downfall's custom game mode

Fixes:
* purple key command was removed and merged into the BaseMod's command
* the effect for obtaining the purple key now shows up

* fixed key door not showing purple lock animation during fast mode
* fixed name not appearing next to key slot
* lowered price of key in shop, should also now be affected by courier and membership card
* removed option to spend gold in event
* added tooltip for purple key

whoops, wrong file

I uploaded the wrong file like a dumby

Initial post