God of War Ragnarok: What Lies Below Favor
This guide shows the complete walkthrough of the What Lies Below Favour/ Side Quest in God of War Ragnarok. This quest starts automatically as you reach the top of the dam for Return of the River favor.
Find a way to the dreki
Go to the western side at the top of the dam and you will see some air coming out from the wall on the right side as shown in the picture below. Hit the spear on the hole. Then use it to jump to the other side. Now proceed ahead to find the Dreki as shown in the second picture below. Kill the dreki to complete the quest.