Haunting Spirit

You call an invisible spirit that only the target can see to haunt them. At the start of each of the target's turns, it must attempt a Will saving throw. The target can spend its entire turn running as far away as possible to escape the spirit and end the spell early.

Critical Success The spell immediately ends.

Success The target becomes Off-Guard for 1 round.

Failure As success, and the target takes (rank)d8 spirit damage.

Critical Failure As success, but the target takes (rank × 2)d8 spirit damage.