C-canon dump.
Hades 01:02 -
Reunion With KatouCorresponds with parts of Volume 4, Chapter 3 and Chapter 4. Setsuna wakes up in Hades, meets a mysterious cloaked figure, and speaks with Enra-Ou. It's then revealed that said mysterious figure is actually Katou. Wackiness ensues. Or something.
Hades 01:04 -
Enra-Ou's Real MissionCorresponds with parts of Volume 4, Chapter 5. Katou, in accordance with Enra-Ou's orders, tries to kill Setsuna. They get into a big argument about what's worth living for, and Setsuna basically tops Katou hard. As usual.
Hades 01:07 -
Uchuuju YggdrasilCorresponds with parts of Volume 4, Chapter 6 and Volume 5, Chapter 1. Setsuna and Katou make it to the center of Hades, only to find Katou possessed by his own hatred and those of the ghoul's he's slain--and controlled by Doll, a girl who looks strangely like Sara...
Hades 01:09 -
Angel of Death, UrielCorresponds with parts of Volume 5, Chapter 1, Chapter 2, and Chapter 3. Katou ends killing himself to restore Setsuna's powers. Setsuna flips out on Doll, and Uriel shows up.
Hades 02:04 -
Katou's PastCorresponds with parts of Volume 5, Chapter 5. Katou Yue, this is your life. With Uriel's help, Setsuna dives into Katou's subconscious mind to bring him back. In the process, we learn why Katou's so fucked up.
Hades 02:05 -
Uriel's ConfessionCorresponds with parts of Volume 5, Chapter 6 and Volume 6 Chapter 1. Setsuna and Katou wake up. Uriel's still struggling with the influence of his own Persona/mask. Doll and Katou have a catfight. Oh, and Uriel wants Alexiel to kill him.
Hades 02:07 -
Return to Enra-OuCorresponds with parts of Volume 6 Chapter 1 and Chapter 2. Setsuna and Katou ride the dragon Nidhogg back to Enra-Ou, and Katou expresses his unwillingness to do anything except follow Setsuna. Also, he doesn't say thank you. Nope. Not at all.
Hades 03:01 -
Rutsubo: Cage of SoulsCorresponds with parts of Volume 6, Chapter 3. Katou fights ghouls and Setsuna bitches Enra-Ou out.
Hades 03:03 -
True Power of the CrossCorresponds with parts of Volume 6, Chapter 3 and Chapter 4. Meanwhile, back at the ranch, Voice, Noise, Kurai, and Katou are having Issues. Also, Setsuna and Katou refuse their respective offers from Enra-Ou.
Hades 3:05 -
Katou's RealityCorresponds with parts of Volume 6, Chapter 5 and Chapter 6. Katou uses the Cross Rod and busts a hole in Enra-Ou's defenses, allowing them to leave. A new barrier takes its place, though, and kind of sort of blasts off Katou's arm. He uses the last of his power--his spiritual body is falling apart by now--to crack the barrier and let Setsuna escape.