King Gizumo is the boss of the Chuanka Frost Caverns located in the Shiverstone Range within the Silverfrost Mountains.
The fight with him is pretty straightforward as there are no special phases or changes in his attack patterns troughout the fight.
He is located at the end of the map which is filled with Chuankas up to his room.
He is a towering balrog that has 3.135.000 hp and hard hitting attacks which include jumping.