Safari zone's swamp but you need the swapping machine then you change it to swamp
Where Can I Find A Duskull In Pokemon Heart Gold?
Swamp in safari zone its rare about 1/30 chance
In the swamp of the safari zone 1/30 Percent chance (Hint: Look for it at the swamp in the Dark, since its a ghost type, and ghosts really come out at night and yeah.)
Hope this helped.
Hope this helped.
Safari zone
It is in the swamp cause I caught 1
Safari zone
Winners path
I herd you can find it in the swap in the safrie zone. But very rare