There are 3 red shinies in this zone needed for collection quest Gardener's Tools: Goblin Supply Pack, Gardener's Hand Rake, and Gardener's Fertilizer Sack
Steps
Look for the missing figurine.
Skethusk mentioned an old collapsed goblin tunnel, which is found near Grunt's Pass at ( -318, 48, 604 ) Copy/waypoint -318, 48, 604 and zone into Abandoned Mine Tunnel