Guard is an NPC in Arknights. He first appears in the Prologue and plays a supporting role in Acts I and II of the Main Theme. While appearing to be a nameless man in Rhodes Island's paramilitary force, Guard will eventually play an important role in the fight for the rights of the Infected. Formerly, he takes part in the grand rescue of the Doctor from the Chernobog Sarcophagus.

Spoiler

He later defects Rhodes Island and sides with Reunion while trying to save the latter from its inner corruption.