After the fight of Fire Force and the White-Clad, Charon, Haumea, Arrow and Inca return safely at the Nether succesfully snatching Inca from the Fire Force.

Yona emerges from the shadows with his deranged grin

"Seems your back, we got a problem because HE IS BACK"

Charon tenses up knowing who he is talking about as they hear the door creak open