When an acuity buff is cast on a list caster, (I didn't test on anything else) their current power pool % decreases.
Acuity buff is not supposed to do this: https://forums.freddyshouse.com/threads/acuity-buff-what-does-it-do-exactly.55431/
Acuity buff is not supposed to do this: https://forums.freddyshouse.com/threads/acuity-buff-what-does-it-do-exactly.55431/