Put Protect Range on and RuneScape gold you will be fine. Grimgnash will only strike with melee when you're alongside him. Hide behing the rocks and mage him; ie fire bolt can do up to 14 on him, since he's made from metal. After killing him, you'll awaken in Sylas using a Staff of Fury on your stock. He will say to go to Martin the Master Gardener in Draynor. Martin wants to have a competion...