Holy Aura. Friendly creatures within 30 ft. of Round Deer are healed for 1d6 at the start of each of Round Deer's turns. Additionally, spells which are evil in nature have disadvantage when being cast against a target friendly to and within 30 ft. of Round Deer.   Abyssal Potential. These monsters, when summoned as an ally of the summoner and not in a subjugation ritual, their hitdie will increase by an amount equal to (Caster Level - 8), and their damage die will increase by an amount equal to (amount of Ability Score Improvements - 1) they've had.