you have to get the next rank after you beat him then manaphy will tell you about marine resort then you can evolve unless your riolu
It's the Darkrai battle, as also seen in Pokemon Mystery Dungeon Explorers of Time/Darkness.
You have to beat the game to battle darkrai.
in azurills nightmare. darkrai is the one causing the nightmare and is the boss of this dungeon.
Fight Darkrai
go though a dungeon with cresslia and when you reach the end you will fight darkrai
U find Darkrai in Dark Crater.
You need to get Darkrai on your team and suck his &½!^
dont no
It dependes what level you are when you defeat Darkrai.
No he's in explorers of Time,,darkness & sky
miracal sea 3F if ur holding a mystery psrt or secret slab
after egnima part, surrounded sea holding golden mask at 3rd floor,darkrai!