No Gastly cannot learn fly in Pokémon HeartGold.
catch a Pokemon that can learn fly, put it in your party, and WALA! you can teach it fly!
Teach it to a Pokemon, enter the Pokemon screen, chose the Pokemon that knows fly and select where you want to fly to.
Go to lavendar town and then enter Pokemon tower in there you can find a gastly.
Gastly is found in Bellsprout Tower.
No Gastly cannot learn fly in Pokémon HeartGold.
catch a Pokemon that can learn fly, put it in your party, and WALA! you can teach it fly!
Teach it to a Pokemon, enter the Pokemon screen, chose the Pokemon that knows fly and select where you want to fly to.
It can't fly
Teach a Pokemon Fly after obtaining the HM and choose fly when you select the Pokemon.
no hes not just because its a legendary doesnt mean there the strongest a gastly can beat a entei depending on the level a gastly lv 70 entei lv 45 gastly wins a groudon could lose to enny Pokemon depending on the level i don't think there is the strongest Pokemon in the world
No
Gastly is unobtainable in Pokemon Ruby. You need to trade one from Pokemon Firered or Leafgreen.
Go to lavendar town and then enter Pokemon tower in there you can find a gastly.
to fly in Pokemon pearl u have to get the hm fly then u have to teach it to a Pokemon that can learn then beat gym leader
Gastly is found in Bellsprout Tower.
Teach a Pokemon Fly, select Fly from the party screen, and select your destination. You get Fly after you defeat Bianca in Driftveil City.