Mutasafin is described in the session records as “a harsh but just taskmaster,” which is about the most damning compliment one can give an archdevil. He runs a disciplined military operation and commands genuine loyalty from the forces in his territory — which is precisely why Vladyn named him first among the three archdevils who needed to be dealt with. He is not just a holdout. He is the kind of holdout who makes other holdouts feel like resistance is viable.
The party first encountered him in session 42 through the hellhounds and devils loyal to his faction. By session 43 they were fighting him directly, alongside a lightning-sword wielder named Vasago whose markings suggested some connection to Vladyn’s network — a detail that would have been suspicious even if Vladyn had not reacted with careful non-surprise when the party reported it.
The fight shifted when the party called for parlay. Mutasafin recognized capable fighters and offered employment rather than continued conflict. The job: retrieve a sigil of power that Vladyn had received as part of his coup — the ceremonial token proving ownership of the seventh layer. The deal appeared binding in the infernal-contract sense, which meant the party physically recovered after rest but understood they had obligations they could not simply ignore.
What Mutasafin did not know was that the party was already working for Vladyn and had no intention of delivering the sigil. The real plan was to play the archdevil factions against each other — feed Mutasafin’s pride, suggest that rival devils rather than the party had taken the sigil, trigger infernal paranoia, and use the resulting chaos to navigate their way out of a situation with too many competing obligations.
How far that deception ultimately ran, and whether Mutasafin ever learned what was done to him, is part of what the seventh layer arc left unresolved.