Ion Cube (Below Zero)

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Ion Cubes are a type of synthetic crystal created by The Architects. They can contain massive amounts of energy equivalent to a small nuclear detonation' in a stable state. Ion Cubes are used to power certain Architect devices. They can also be used to craft powerful Ion Batteries and Ion Power Cells. Ion Cubes are the only power source of the Tether Tool.

Loose Ion Cubes glow green and produce a continuous creaking noise, making them easily noticeable.

Ion Cubes can be found in a number of locations: A minimum of 45 Ion Cubes and a maximum of 69 can be obtained by the player with no infinite way to obtain them as of now. 21 can be obtained without the use of the Prawn Suit, the rest being found by mining Large Resource Deposits.
 * 3 in Sanctuary Zero.
 * 1 near the Obelisk in the Deep Twisty Bridges.
 * 2 near the Obelisk in the Arctic Kelp Caves
 * 1 near the Fossil Excavator in the Deep Purple Vents.
 * 1 within a ruined installation in the Glacial Connection.
 * 1 beside the Exploration Site in Delta Island.
 * 2 near the Energy Generator in the Glacial Bay.
 * 2 near the Ground Sampler in the East Arctic.
 * 2 near the Ground Sampler in the Tree Spires.
 * 1 in the Arctic Spires Cache.
 * A Large Ion Cube Deposit can be found at the same location. Like all large resource deposits, it can only be mined with the Prawn Suit Drill Arm.
 * 3 Large Ion Cube Deposits located inside of a cave within the Arctic Spires.
 * 1 near the Greenhouse in the Arctic Spires.
 * 2 within a Spy Pengling cave in the Arctic Spires.
 * 1 in the laboratory room in Outpost Zero.
 * 1 in a cave in the West Arctic.