“The Jailer's troops use anima charged runes to empower their armor. Without those runes, the troops will be significantly weaker!
I developed this special formula to remove tough laundry stains, but it should be capable of removing magical runes as well!
Splash my Putrification Potion on Rune-hardened troops, the bigger the better! Then collect the runes that fall off, so I can extract their anima.”