Then it's gone, sadly forever
This happened to me because I didnt wanna kill it
Chat with our AI personalities
DONT!!!! if you run away from azelf or uxie, youll never battle them again.(unless you have a action replay) if they k.o. you, you can battle them again. if you k.o. them youll never battle them agian.(unless you have a action replay)
If you knock out Azelf in Pokemon Diamond, Azelf will be gone forever (unless you have saved before battling Azelf and shut off the game and turn it back on to try again).
They will run away, and you have to find them in the wild and capture them.
If Moltres,Zapdos or articuno runs away you need to use action replay to get them back
Azelf will disappear from the game once you flee from it in Pokémon Diamond. It cannot respawn in Pokémon Diamond since that feature for Legendary Pokémon was not implemented at that point in time.