You need to max out it's happiness. THis is done by giving lots of berries, using it in battles, not letting it faint etc.. Once you have done this grow it a level and it will evolve into a Loppuny.
In order for Buneary to evolve into Lopunny is that Buneary's happiness has to be 220.
Buneary evolves into Lopunny.
In Pokemon Mystery Dungeon: Explorers of Darkness, Buneary evolves into Lopunny. To evolve Buneary, you need to reach level 26. Once Buneary reaches level 26, it will automatically evolve into Lopunny.
You have to go to Luminous Springs to evolve any pokemon. Buneary requires a 2 star IQ to evolve
Hapiness
it evolves with friendship
Buneary evolves when its happiness value is at 220.
Buneary evolves into Lopunny when it is leveled up with maximum happiness.
Buneary evolves by Level Up with Happiness Value at 220
It evolves when friendship is max out.
Max out it's happiness.
You have to evolve BUNEARY with full happiness.