uncommon enchantment hex mental witch 

Cast [>] somatic

Range 30 feet; Targets 1 enemy

Saving Throw basic Will; Duration sustained up to 1 minute

A long, jagged needle jabs into the target foe's psyche whenever it tries to attack a specifically forbidden creature. Name yourself or one of your allies. The target takes 2 mental damage any time it uses a hostile action against the named creature.

Heightened (+1) Increase the damage by 2.

Advanced Player’s Guide, page 238.