Gruff Halfhorn

You can enter a berserker rage, which lasts for the duration of an encounter. While enraged, you do not receive penalties to your rolls from accruing wounds and you have disadvantage on defense checks. If damage would place you on death's door, make an escalating Mighty check (TN 9) to remain conscious each round. You will not stop attacking your foes, even if your life is in danger, until the final foe falls. You have disadvantage on Deft.

Choose an art: singing, dancing, or playing. You may choose to make the duration of any spell you cast indefinite, as long as you are performing your art (the duration of your spell is 0 as opposed to a number of rounds equal to your level plus the MP you spend). You may concentrate on a number of spells in this way equal to your level, but you may not attack while performing your art. Your art must make noise audible to all in the encounter to work. You may use Performance in lieu of any Arcana skill with your maleficence or spell checks.

Your hermetic membership in a sacred circle of elder clerics grants you special communion with the forces of nature. For 1 MP, you may shapeshift into any non-monstrous animal of your choosing. The animal you shapechange into must be your relative mass, and your equipment changes with you. It does not cost MP to change back to your original form. You also speak the secret language of nature, which allows you to read the emotions and intent of all non-monstrous flora and fauna.