They can be found in the dark cave but they are rare.
It's just before violet city
you must winn 1500 coins in the casino or you have to look at the dark cave at night
You can get Horsea in Dark Cave or Whirl Islands. You'll need to Surf on water to get it.
In Pokemon Crystal.
They can be found in the dark cave but they are rare.
It's just before violet city
The only dark type Pokemon you can get in firered is murkrow which happens to be in lost cave on five island.
In the Dark Cave near the Blackthorn City entrance.
In Gold and Silver Wobbuffet can be found in Dark Cave. In Crystal, in addition to Dark Cave, you can also get one at the Goldenrod Game Corner for 1500 coins.
you must winn 1500 coins in the casino or you have to look at the dark cave at night
You can get Horsea in Dark Cave or Whirl Islands. You'll need to Surf on water to get it.
In Pokemon Crystal.
In Pokemon
Teddiursa can be found at the Dark Cave, both at day and night, but it's rare.
the dark cave is near the sairs to vilot city
You can't get Dark Lugia in Pokemon Silver, Gold, or Crystal. You can get Dark Lugia in Pokemon XD though. For Pokemon Silver, Gold, and Crystal it is just the regular Lugia.