Goblin Slayer Quest
From Eacceleration T4c
At Silversky town find a NPC called Rhodar Heatforge (he is the weapons trader, east from the palace entrance). Say "Goblin Slayer" and he will sell you one for 25.000 GP, only if you have killed at least 500 Goblins.
NPCs involved: Rhodar Heatforge
Quest Reward Synopsis: Goblin Slayer (97 Str, 20 Int, 23 Wis)