maybe also some extra lore who could he have ties to in NY, maybe knowing about bebops mom since one of the graveyards mort has to keep is near scrapyard bebop was made in
another one could be him knowing mcginnis because graveyards are practically soul spawners which means these are resources...
to regain human looks again so he can meet his grandchildren and their kids because well, looking like a literal zombie aint a great way to come back to a family
i think abrams ult should break the rejuv crystal, with maybe an extra second or two of it taking effect so it breaks crystal as soon as its smashable because the time to hit that would be wayy too tick perfect otherwise
oh and maybe also about how he died, maybe a bit about dying from yellow fever that touched NY in 1702, to back up that this guy has been dead for a hefty time
shes been dead a long time lore wise tho, this guy was dead even longer leaving him with more decomposed body
also adding to this guys lore, maybe make him wish to return to his family but his grand-grandchildren dont want themselves nor their kids to be even near that "thing", being more...
tbh if i had to make up lore for this fella, i'd aim in pairing him with pocket being the only one knowing more than others about the case and giving him advice as well as sympathizing with shiv for having a life where he constantly have to check his back because mort gets attacked by looking...
the main idea behind dead silence was to prevent enemies from farming the neutral camps, basically putting a stop to a haze that's about to snowball for example, basically ability to prevent too major snowballing, the ult helps you get to the camps fast, and that ability denies enemies ability...