One of the men who attacked Grey and Asha. He has been secretly militarized through an experimental upgrade program. He is killed by Stem during Grey's initial vigilante campaign.
Serk is one of the assailants who attacks Grey, leading to his death at Grey's hands.
Serk and Fisk are siblings who work together as hired assailants.
Eron secretly hired Serk and Fisk to paralyze Grey for the STEM implant experiment.
Stem actively tracks and eliminates Serk as part of its revenge protocol.
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