I'll upload them in the comments as the story progresses.

While the looks may not be 1:1 the characters look similar to the pictures.

Zenith Voidwalker.

Acedia.

(current cover is also Acedia)

Seraphir Leviathan.

Ellen Elderwood.

Raum Beelzebub.

Baal-hamon Ibrahim:

Jason Grecev:

Luke Grecev:

Celine:

Melina:

Nadir.

Aria:

Serena:

Ophelia Voidwalker: