Overgrown Cavern is a room in Tallon Overworld in Metroid Prime. It is a narrow cave of rock filled with various plantlife, through which a Morph Ball tunnel passes. There is a patch of Venom Weed and a Missile Expansion in the tunnel.
- Missile Expansion
- This expansion is located in the centre of the room, amidst a cluster of Venom Weed. Samus can use her Beam to retract the Weed to allow safe passage and collection of the expansion without being harmed by the Venom Weed.
- "A small gap exists in the tree's root structure."
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