Zamorak hilt
From Emps-World Wiki
Zamorak hilt is a rare drop from K'ril Tsutsaroth who is located in the God wars dungeon, you will need 70 Hitpoints and 20 zamorak killcount to enter the zamorak boss room. Putting a Zamorak hilt together with a Godsword blade will create a Zamorak godsword, putting these 2 parts together has no requirements.