Enri meets Agu, who tells everyone that the Giant of the East and Demon Snake of the West are gathering forces to fight the master of the Monument of Ruin. Enri and the others take action, but little does she know how crazy the day will become...

Because of Noelle’s hard work, the Black Bulls are able to get through the harsh mana currents and safely arrive at the Underwater Temple. Everyone is nervous, since they’ve never been here before, but the underwater people welcome them with open arms....

At the tsuru-douji's request, Aoi decides to entertain Yodoko, a spoiled daughter of a rich family who wants to eat an interesting food, by serving monjayaki. Though Yodoko first appears puzzled, she becomes intrigued when the food is cooked before her.

Willingly accepting the Star Fragment's power and his Reversion state, Lance continues his attack on everyone and everything. Crocus falls into chaos, and Ace is determined to stop Lance, to save Lance... It's the final show-down between the two rivals!

After barely surviving Eren's recovery, a rising threat from the shadows puts everyone's lives in danger again.