Trade huntail from Ruby, Sapphire, or Emerald.
You have to trade seadra while holding a dragon scale
Seadra will only evolve during a trade while it holds dragon scale.
get a seadra and find a dragon scale and give it to seadra and trade it to someone and they will give it back to you but it will be a kingdra
The dragon scale is located in Mt. Mortar
The only in-game dragon Pokemon you can get are salamence, altaria, and rayquaza
Seadra only evolves during a trade while it holds the item dragon scale.
In Pokemon, A dragon scale is used to evolve Seadra into Kingra through a trade.
The Prism Scale cannot be obtained in Pokemon Omega Ruby and Alpha Sapphire. You'll need to trade for a Pokemon holding the Prism Scale to get it.
trade it while holding a dragon scale you can sometimes catch a horsea that is holding a dragon scale west of pacifilodge town.
You need to catch either a Bagon or Horsea that is holding one. If you can find one on the ground, I've never seen it.