Bolster

Initiate, Body and Soul
Level/School: 4th/Transmutation
Range: Touch
Target: Creature touched
Duration: 10 minutes/level or until discharged

By linking the creature touched and the Plane of Shadow, you temporarily trade some of its traits for more potent ones belonging to creatures of that shady realm.

You grant the subject 5 temporary hit points for each of its Hit Dice (maximum 75).