The Beam Ammo Expansions
X50) When you get the Dark/Light Beam.
X100) Agon Wastes - Central Mining Station: Use the Light Door on the second floor of the Command Center to reach the ledge with the Vigilance Turrets in the Central Mining Station. Get into a Turret and blast the 3 Generators, get out of the Turret and jump onto the Pirate Skiff to the left and across the platforms to get to the back of the room.
X150) Dark Torvus Bog - Cache A: Go to the Poisoned Bog, blast open the Purple Door with Seeker Missiles and enter this room with the Expansion.
X200) Sanctuary Fortress - Watch Station: Use the Spider Ball Track near the Light Door to the Watch Station Access and Bomb Jump from it to another Track. Roll over to the end and drop onto the Kinetic Orb Cannon holding R. Once you drop onto another Track, roll right and Bomb Jump onto the wheel. Get to the end of the track and repeat the wheel process two more times; roll up into the pipe and follow it to the Expansion.
X250) Sky Temple Grounds - Profane Path: Use the Echo Visor and the Annihilator Beam to open the Echo Door and get this Expansion.
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