You have to trade a Clefairy from Leaf Green or Fire Red.
Mt.Mortar
Clefairy will evolve when a Moon Stone is used on the pokemon. Go into the Bag and find a Moon Stone press A on it then Press A on Use then go to Clefairy press A and the evolution will begin.
Mt. Cornet.
You have to evolve your clefairy using a moon stone. If you don't have a clefairy you can find them in Mt. Moon on the first floor.
You have to trade a Clefairy from Leaf Green or Fire Red.
you have to find a fossil
I assume you mean Clefairy. Clefairy can be found uncommonly at Mt. Coronet.
Well if you can't find it in the grass try trading with somebody or migrating it but there is probably no other way you can find clefairy in heartgold.
no
Mt.Mortar
Clefairy will evolve when a Moon Stone is used on the pokemon. Go into the Bag and find a Moon Stone press A on it then Press A on Use then go to Clefairy press A and the evolution will begin.
Mt. Cornet.
You have to evolve your clefairy using a moon stone. If you don't have a clefairy you can find them in Mt. Moon on the first floor.
Mt Moon- 1F+2F, 5% chance of encountering a level 8 Clefairy. Safari Zone-Meadow (night)- Level 18 Clefairy. Safari Zone-Meadow (3 Peak objects)- Level 42 Clefairy.
You find it in mt.moon. Hope I helped
you can't