Like many other evolution items found in Pokemon Legends Arceus, players can find this one within the Trading Post in Jubilife Village. You'll need to acquire 1,000 Merit Points to buy it.

How to Evolve Dusclops Into Dusknoir in Pokemon Legends Arceus Just like in other games in the series, Dusclops evolves into Dusknoir when it’s exposed to a Reaper Cloth.