The Donnerwald Experiment uses a complex buff system, which enhances the overall battle experience.
Use this as a guide in case anything is unclear in your playthrough:
Buffs:
Timewheel
-Increases the amount of useable actions per turn by 1 for each stack.
Maxstacks: 5; Duration: 3; New stack refreshes duration: Yes
Well Feed
-Regenerates 1 HP per turn.
Maxstacks: 2, Duration: 2, New stack refreshes duration: Yes
Brave Heart
-Magical defense increased by 1.
-Prevents “scared” debuff.
Maxstacks: 2, Duration: 2, New stack refreshes duration: Yes
Debuffs: