There is no way of obtaining dusclops in the game directly ... you need to go to sky pillar and catch a duskull and evolve it into a dusclops. have fun :)
Dusclops is a Ghost type pokemon.
it is dusclops
you have to catch a duskull on route 224 and raise him to get dusclops
You can find dusclops in turn back cave.
Give it to Dusclops, trade it and Dusclops will evolve into Dusknoir.
Trade Dusclops with it holding the Reaper Cloth. You get this in the resort island bit up from the Pokemon centre.
Types that are strong against Dusclops (ghost) are: Dark Ghost
Dusclops is #356 in the national pokedex, and it is a Ghost type Pokemon.
Dusclops, you need to trade a dusclops holding a reaper cloth to evolve it into a dusknoir.
rout 224
Evolve it from a duskull
evolve duskull