Chikorita evolves into Bayleef at level 16 and Bayleef evolves into Meganium at level 32.
Gyardos does not evolve.
Qwilfish does not evolve.
Sandslash does not evolve.
Arbok does not evolve.
Ampharos does not evolve in Pokémon HeartGold.
No, Magneton cannot evolve in Pokémon HeartGold.
Corsola does not evolve
No, Sableye does not evolve.
you cant evolve it on heartgold u can only get it in a sinnoh game
Misdreavus doesn't evolve
No. Feraligatr does not evolve in any game.
Shuckle Doesn't Evolve....