Demon Lycantropi

The Warlock turns himself into a Demosur for 2 rounds. Afterwards the spell caster transforms back to his original shape and drops to 1 HP. The next 6 rounds the spell caster can't cast spells, fight, rund, jump or be healed. The damage can afterwards only be healed by rest or magic. If you have this spell and gets hit by a LvL 3 or higer Transmutation spell. You will automatically cast this spell.

For eche LvL in Warlock the number of rounds and Hp when you transform back increase by 1.

You can find the Demosur under monsters homebrew and look the stats up.