Changelist

• Corrected the Aconite Grimoire to have correct spell name for Corrosion.
  
• Corrected the Amber Grimoire to have the Return spell listed.
  
• Fixed several altars in the Volcano Fortress to not look like chests. (Will only appear on new saves.)
  
• Updated an altar to do something rather than nothing when interacted with. (Will only appear on new saves.)
  
• Updated monster tiles on the Dark Tower 1st floor to match the encounter type. (Will only appear on new saves.)
  
• Fixed pit trap tiles in the Dark Tower to not be visible. (Will only appear on new saves.)
  
• Removed a secret wall in the Dark Tower that allowed a crucial encounter to be bypassed.
  
• Grammar and typo corrections.