The Grineer Empire is preparing a major offensive against the Corpus. Band together in special sabotage missions to destroy the Fomorian ships deployed by the Grineer which will appear in the Corpus region this weekend! Succeed, and be graciously rewarded; fail, and suffer from the Grineer's invasion. You will need to find a new special substance to destroy these Fomorian Reactors. This substance comes in 3 forms and is earned by killing Infested. IF we are unsuccessful in our mission: If you are in a clan of 1 to 1000 people, your clan will fit into one of the following tiers based on its size: