One Drop of Light - S1.E24

Forced to abandon the Oceanus, its crew returns to the Maihama server and believes they have failed to recover the Maihama server and the resurrection system; however, a parting gift from Shima brings new hope. The battle between the Gards-orm and the Celebrants enters the Maihama server and Sin is finally defeated. Shizuno's true nature as "Yehl" is revealed while Kyo confesses his love to Ryoko before he and Shizuno leave to finish off the Gards-orm once and for all.