Bug Fixes and Optimizations

[] Fixed the issue where mercenary followers' equipment disappeared after being sacrificed. [] Fixed the issue where the filtering of the protagonist's bonded followers in the mercenary group was incorrect. [] Fixed the issue with the chess piece reward for the Relic: Stolen Seal. [] Fixed the issue where players could return to town multiple times in Adventure mode.
• Fixed the issue where some freezing spell cards caused lag after being cast.