Мафия 89. Nemesis

Because in this situation, it's not beneficial for the town.

Considering that without the Undead, which Ilfina can easily steal, the troll can be easily deprived of all chances to kill the Mafia and remain a puppet for them, it is actually beneficial.
Anticipating the next post - it wouldn't have been possible to kill Argat with the Undead, because of healing.