Horsea evolves into Seadra at level 32, and Seadra evolves when it's holding a Dragon Scale and is traded. There is no other way.
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Yep with action replay, but if you dont have that then its a no. (:
Evolve seadra into kingdra by trading him when he's holding it.
Kingdra does not evolve.
Kingdra does (not!) evolve! smart one! lol
You could try an Action Replay with Pokesav.