Chapel of the Elders
Chapel of the Elders is a room located in the Phendrana Drifts region of Metroid Prime. It contains the Wave Beam, which is guarded by a mini-boss fight that has two phases. The first phase consists of four Baby Sheegoths appearing from the four corners of the room. After they are dealt with, the adult Sheegoth appears. The Wave Beam is obtainable once the Sheegoth is dead. Additionally, the room also contains a Secret World.
It is possible to get out of bounds in this room.
Sheegoth Fight Method
This method is possible without taking advantage of the Sheegoth fight.
Floaty Jump Method
It is also possible to get out of bounds in this room with Floaty Jump.