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Rook Arachnos are enemies in Xenoblade Chronicles 2. They are members of the Arachno family and can be found at level 71-73 on the Upper Level - Right of Gormott Province, particularly on the underground path between Coolley Lake and Varnax's Plunge. They can be fought at level 56 during a Challenge Battle, available as downloadable content from the Challenge Battle Mode Pack of the Expansion Pass.

Drops

Name Type Rarity Rate
Humanoid Hunter V Aux Core Legendary (rarity 3) 8.4%
Night Vision V Aux Core Legendary (rarity 3) 8.4%
Galaxy Cube Accessory Rare (rarity 2) 6.0%
Galaxy Cube Accessory Legendary (rarity 3) 4.0%
Common Core Crystal Core Crystal Common (rarity 1) 12.5%
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