Mobile Suit Gundam Wing (1995)

S01E34 And Its Name Is Epyon

Zechs seizes control of the Wing Gundam Zero and unleashes its devastating power, wiping out OZ forces with ruthless efficiency. But Treize counters by delivering a new weapon to Heero—a Gundam so fearsome it may be the deadliest ever created. Its name is Epyon, and its arrival signals a terrifying shift in the war.