Update 1.30

CHANGELOG:

• [Locations] A new endless dungeon has been added to the Ultimate version of the game - The Sunken Grotto
  
• [Balance] Skills can be improved in the Camp without penalty to cost
  
• [Balance] The level of mercenaries in the Camp rises 100% faster relative to the current floor
  
• [Balance] Mercenary health and defense increased
  
• [Balance] The characteristic "Strength" now has less effect on the Breath of Death (Necromancer skill), and the health regeneration effect of the skill is significantly reduced
  
• [Balance] Increased trap damage
  
• [Misc] The Bestiary now displays a preview of the main location for the monster
  
• [Misc] Updated some sound effects
  
• [Misc] Iron Rats removed from the Christmas generation
  
• [Fixed] Monster walking sounds might not play
  
• [Fixed] Training Dummy in the Camp had blood
  
• [Fixed] Some creatures might not turn black when affected by the Seal of Death (Necromancer skill)