Level it up with Ancient Power learned You can evolve your Piloswine into Mamoswine by using the Move Tutor in Blackthorn City. Be sure to teach your Piloswine AncientPower. Tâ¦hen, level it up 1 level and it will evolve Swinub evolves at 33, Poliswine evolves by teaching it Ancient Power Hope this helps :)