1: Go to the Ruins of Alph.
2: Go to where you catch the Unown.
3: It has to be nightime.
4: No matter what, it will be at Lv.5, just like the Unown.
5: In the grass of the Ruins of Alph (only reachable from the Union Cave or walk through walls cheat) you can catch Dusclops at Lv. 40.
Migrate from Ruby (or Sapphire/Emerald) or trade with Platinum
Duskull is #355 in the national pokedex, and it is a Ghost type Pokemon.
Pokemon #477 : Dusknoir. It is the evolved form of Dusclops, which is evolved from Duskull. Lvl 37 Trade with Reaper Cloth Duskull ---------------------> Dusclops --------------------> Dusknoir
Pokeradar on Route 224. It's easier just to catch Duskull in the Lost Tower at Night in Platinum. (Duskull don't appear there in D/P, only Platinum.)
Route 224 Poke Radar
You can find Duskull in Sapphire at the Mt.Pyre Summit. There are mostly Shuppets, but there are some Duskulls.
evolve duskull
In Pokemon Sapphire, Shuppet, Duskull, Vulpix and Chimecho can all be found on Mount Pyre.
Migrate from Ruby (or Sapphire/Emerald) or trade with Platinum
In caves
Duskull is a Sinnoh pokemon as in pokemon platinum you get darkrai which is the evolution of duskull.
Duskull a Ghost type pokemon.
Head west outside of Lilycove City in the first grass you come to you will find Duskull
You can't get Dusclops in Sapphire. You have to evolve Duskull. If you still want Dusclops, you have to get Duskull at Mt. Pyre Floors 4,5,6 and Summit. Duskull evolves into Dusclops at level 37. I hope my answer helped.
the mountain near lilycove city and safari zone is where you'll find duskull. capture one and level it up
You can find Duskull on Route 224. :)
You can find a Duskull in the Safari Zone.