Spacewalker. Rollo has the ability to travel between dimensions instantly. As a bonus action, he can choose an unoccupied space within 30 ft. and instantly appear there. He gains advantage on the next attack roll he makes against a creature within 5 ft.  

Multiattack. Rollo makes two club attacks.

Hard Club. Melee Weapon Attack: +6 to hit, reach 5 ft., 1 target. Hit: 13 (2d8 + 6) [bludgeoning] damage. 

Boulder Throw. RangedWeapon Attack: +6 to hit, range 60 ft., 1 target. Hit: # (3d6 + 6) [bludgeoning] damage.

Rollo may become Mythic if a member of his party becomes unconscious. His Mythic state lasts for 3 turns and can be used once per day.

Enlarged Rage. Rollo becomes Huge in size and rageful in nature. His damage rolls are tripled while in this state and he gains + 2 to his AC, Strength, and Constitution stats.