well there is to ways to make it evlove first make your wailmer to the daycare or give it to this old man and he makes it evlove
As Wailmer evolves into Wailord at level 40, i can only suggest leveling it up once with out it holding an everstone.
Wailmer evolves into Wailord starting at level 40.
Get a Wailmer and evolve it. It evolves into Wailord at level 45.
wailmer evolves at level 40 on Pokemon sappphire.Hope I helped
They are rare if you surf on Route 129. It's much easier to catch a Wailmer and evolve it into Wailord.
you cant catch one wild you have to evolve wailmer at lv 40
Evolve a wailmer which is usually found in any sea-area (find by using super rod).
Wailord do not evolve any futher. They are the first and last evolution of Wailmer, who evolve into a Wailord on level 40.
By catching a Wailmer, train it up to level 40, an it will evolve. In sapphire i think you can catch a wailord.
Wailmer evolves into Wailord at level 40.
Evolve a Wailmer (Level 40)
Wailord does not currently evolve into any pokemon, but it does have the pre-evolution wailmer.
There's only a small area to find Wailord off of Ever Grande City in Sapphire. An easier way to catch one is to get a Wailmer in the high 30's. Then just get him to level 40, where he will evolve to Wailord.