Bug description:

FPS only drops when battle mode is activated, especially at the moment where battle colors activated on the terrain, here is a video, check the FPS counter. Turned on and off V-Sync, Freesync, changed graphics settings but it's still the same. 

System Settings:

Intel i3 12100F

AMD RX 6600

16 GB 3200 Mhz RAM (2x8 GB)

Video Attachment:

https://streamable.com/18uodb

Steps to reproduce:

Whenever you start attacking someone it drops in by half. If you reload save it turns back to normal until starting battle again. 

Expected behavior:

FPS shouldn't drop by half after starting a battle.