Boon of the Demonologist

Title Gained: Demonologist
Once a day as an action you can attempt to summon a demon. A summoned demon appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its summoner, and can't summon other demons. It remains for l minute or its summoner dies, or until 1ts summoner dismisses it as an action.
You can summon 1d4 vrocks, ld2 hezrous or 1 glabrezus