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Attapetrol is an event item in Astroneer. It is used in the EXO Biofuel Obtainment Operation (or the B.O.O) event to obtain rewards from the EXO Request Platform. This item is only available during the Halloween time.
Attapetrol is used for the second tier of the EXO Biofuel Obtainment Operation event, requiring 120 to obtain the Endless visor reward.