This is the gist of the chapter.
Byakuya obliterates Gerard's head, and Gerard's body shatters from Hitsugaya's bankai. All that is left is his legs. Hitsugaya than leans into Byakuya's arms due to exhaustion.
But wait there's more
Gerard regenerates from his legs.
Scene changes to Ichigo standing in front of Yhwach in his chair. Ichigo takes his zanpakuto from his back and swings it at Yhwach, who suddenly opens his eyes. It's now morning.
Yhwach: "That was a good dream"
The scene changes to Hashbrowns and Ishida. They talk but nothing much happens. It ends with Hashbrown about to attack Ishida.
The scene then changes to Ichigo and Orihime climbing some stairs. They enter a door at the top and encounter Yhwach.
Yhwach: "You're finally here. I've come to be tired of waiting. My son of darkness.