Shaggy

Shaggy is a NPC located at the Spiders Den, inside the house on the hill.

He will give you the next quest part after completing the start quest of the Archaeologist. This quest sais that you need to find 7 "rare relics" out of the 28 Relics found on the Archaeologist quest, they are marked with particles (same particles like in the end to indicate shiny blocks).