Location: The Lodge
Obtained: Interact with the poster on the wall of the building labeled “CURSEHAVEN” between the lodge and the Cursehaven map transition.
Find Gideon
Head to the eastern part of Skittermaw Basin to reach Bitehome.
Destroy Bottles
Melee or shoot 10 bottles around Bitehome.
Kill Gideon
Once you destroy all the bottles, Gideon will spawn. Defeat him!