Trophy
Geirrhafa Trophy
He's giving you an icy stare.
The Geirrhafa Trophy drops from 
Geirrhafa every time. Geirrhafa is the named Cultist waiting at the end of Hildir's cave in the Mountains, and no recipe uses his head, so it ends up on an item stand.
Dropped by
Spawn command
With devcommands enabled, this drops Geirrhafa Trophy at your feet. The ID is case sensitive; the last number is the amount.
Item ID: TrophyCultist_Hildir · see the spawn command or all console commands and IDs