Complex sentence: Brother MK I, rechristening itself Brother Eye, initiated the "KingIsDead" protocol specifically designed to be used in the event of Lord's death, ordering all the OMACs (all 1,373,462 of them) to attack and kill all the metahumans on Earth.
Split into simpler sentences: Brother MK I, rechristening itself Brother Eye, initiated the "KingIsDead" protocol. Specifically designed to be used in the event of Lord's death, it ordered all of the OMACs (all 1,373,462 of them) to attack and kill all the metahumans on Earth.