Teach it ancientpower and let it level up
You must evolve Swinub or obtain Piloswine in a trade. Swinub evolves into Piloswine at Level 33.
In Pokémon Platinum, Swinub evolves into Piloswine at Level 33.
Swinub evolves into a Piloswine at level 33.
Swinub evolves into Piloswine at level 33.
Swinub evolves into Piloswine at Level 33.
Level 36.
Swinub evolves into Piloswine at level 33.
Swinub evolves at level 33 into Piloswine.
You cannot find Piloswine. You must catch a Swinub and evolve it.
Swinub evolves into Piloswine at level 33. After that Piloswine can evolve into Mamoswine if it levels up while knowing the move AncientPower.
First evolve it into Piloswine then level Piloswine up with Ancientpower as one of its moves
you don't it;s impossible.you can make swinub evolve but not piloswine.