|Sphere of the Unknowable|
Gem of Glamour
Vicious Drake's Scale
Sphere of Dextrous Absorbtion
This "quest" is given by Karg Icebear in Icespire Summit. He will spawn at the end of the dungeon, after the entire zone has been cleared.
Simply talk to him and follow his dialogue. You will receive a Halasian Medallion as a reward for your troubles.