He evolves via leaf stone
Gloom -> Vileplume Weepinbell -> Victreebell Exegcute -> Exeggutor
Qwilfish does not evolve.
Arbok does not evolve.
Sandslash does not evolve.
Gyardos 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
Shuckle Doesn't Evolve....
Kangaskan cannot evolve.