Legacy of Phandelver
+1 Greatsword of Goblin's Bane
2d6+1 slashing damage
Once per combat encounter, the wielder may make take an attack roll with advantage vs goblins, hobgoblins and bugbears
This sword was made at the behest of the Rockseeker brothers, but was one of the many items plundered when Gundren Rockseeker and Sildar Hallwinter were ambushed while en route to Phandalin.