Talk to Denn if you want to register any further Polymock pieces, then challenge Grulhammer Silverfist to a match. This match occurs in the Polymock Glacier arena. If you are defeated, simply speak to Grulhammer to try again. Once you've defeated him, return to Hoff to claim your reward. Pieces used by Grulhammer are: * Dredge Polymock Piece → Dolyak Polymock Piece → Dwarf Polymock Piece Combinations most likely to succeed in beating him: * Earth Elemental → Kappa → Ice Elemental * Gargoyle → Earth Elemental → Kappa