Vad händer med ett kallat fäste när de når 0 HP?

Alla sammankallade varelser som sammankallas från en samtalstyp (samtal, underkurssamtal), när de reduceras till 0 eller färre träffpunkter, returneras till deras ursprungsställe. Denna regelinformation finns under underkursreglerna för Conjuration (summoning):

Summoning: a summoning spell instantly brings a creature or object to a place you designate. When the spell ends or is dispelled, a summoned creature is instantly sent back to where it came from, but a summoned object is not sent back unless the spell description specifically indicates this. A summoned creature also goes away if it is killed or if its hit points drop to 0 or lower, but it is not really dead. It takes 24 hours for the creature to reform, during which time it can't be summoned again. (PRD, Magic: School -- Conjuration)