finally read Dev's short story...
i'm not okay
but this does remind me of a Glory Hounds x Arches crossover idea I had
In it, the Devon from the bad timeline (the one where Brian killed Cameron, and a ghost demon Cameron possessed Devon), becomes a kind of Echo-slayer, going around finding Echos and stopping whoever is feeding them, by whatever means necessary, over the years he becomes increasingly unhinge and ruthless due to the influence of ghost Cameron, eventually he makes his way to Batavia, the now 39-year-old Devon (putting him in the time-frame of glory Hounds) tries to slay the Echo of Schippersburg (the mysterious entity that talks to Alex and revived him in issue 3), to defend itself the entity sends him across the multiverse into the timeline of Glory Hounds, where he would make it his goal to kill Alex (because he is "feeding" the city's entity)