Ep. 12: AR-15 sacrifices herself to destroy Mastermind while M4 endures neural interrogation.

Mastermind, leader of Sangvis Ferri, interrogates M4 via her neural cloud while AR-15 confronts Alchemist, who was ordered to eliminate her and find M4. Squad Negev falls into a Sangvis trap but is rescued by Griffin Commanders. SOPII shoots Alchemist, allowing AR-15 to provide SOPII with Sangvis data, a personal message, and M4’s location. AR-15 tells M16 she must sacrifice herself due to the Parapluie virus threat. She confronts Mastermind in a booby-trapped building, playing a farewell message to the AR-Team expressing her growing care for them. AR-15 detonates explosives, destroying herself, Mastermind, and the troops. The AR team mourns while Kryuger interviews a new Elite T-Doll. Mastermind survives and learns another T-Doll has been infected with the Parapluie virus.
Episodes
- Ep. 8 · Gentiane questions past mission memories before Sangvis attacks Griffin base and deploys AR Team.
- Ep. 9 · AR-15 faces interrogation after leaking base location while Destroyer escapes with Dreamer's aid.
- Ep. 10 · Dreamer fires Jupiter Canons while AR-15 seeks revenge and Kryuger investigates Sangvis evolution.
- Ep. 11 · AR Team and Squad Negev battle Sangvis forces led by Alchemist while searching for AR-15.
- Ep. 12 · AR-15 sacrifices herself to destroy Mastermind while M4 endures neural interrogation.