The Sacrificial Chamber Tunnel is a room in the Dark Torvus Bog. It appears in Metroid Prime 2: Echoes. It simply serves as a connection between Sacrificial Chamber and Undertemple Shaft. Half of the room is occupied by a large patch of a mutant strain of Venom Weed, and the other by Ingsphere Caches.
- Ingsphere Cache
- "Morphology: Ingsphere Cache
- Living storage units of the Ing Horde.
- The Ingsphere keeps useful items in a dimentional pocket. The pocket can be breached by destroying the Ingsphere."
- Venom Weed
- "Bioscan complete.
- This is a mutant strain of Venom Weed.
- Poisonous plant retracts into the ground if threatened. Adapted to life on Dark Aether."