Ep. 21: Saji mourns his sister while Trinity attacks and UN assaults Celestial Being in space

Saji grieves his sister, blaming Celestial Being for her death. The Trinity siblings launch a counterattack, destroying a GN-X after their location is exposed. The UN Army assaults Celestial Being in space, targeting the Ptolemaios. Alejandro Corner discovers Laguna Harvey created the GN-Xs, and Ali later assassinates Laguna. During combat, Alejandro hacks Veda to disable the Meisters' GN Drives, but Sumeragi activates a backup, restoring all units except Virtue. Patrick Colasour attempts to finish off Tieria, but Lockon intercepts and suffers severe injuries. The UN retreats after losing two GN-X units, aided by the timely arrival of the GN Arms. Despite the withdrawal, the AEU, the Union, and HRL view the mission as a success and begin researching GN Drive mass production.

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