The Great Oouo
From Guild Wars 2 Wiki
grawl that takes the shape of a face. Within the rock formation is an asuran lab used by Frainn that amplifies his voice to order the grawl around and in turn making them aggressive to others. After defeating Frainn, the cannons in the eyes of Oouo disappear, and can be jumped into, although the player is pushed back into the room every time.
- Concept art
If you're here looking for the ponder location for The_Juggernaut_I:_The_Experimental_Hammer, stand on the orange striped rock located between the PoI and the Waypoint on the Quaggan Villager, angle your camera up towards the mountain, and /ponder