It´s possible to reroll the oponnent 6 dice roll for regeneration with PC

[Mortometer]

this is something i think out of the blue and not a situation that happen.

[Crow]

Yes. After all, it is a roll by an opponent during an opponent's turn - therefore, you can use PC on it.

[Stainawarjar]

Sure, why not?

[Mortometer]

Thanks for the quick answer crow