>>52864649you can solo it with the NPCs if alive NPCs are being especially retarded
the first time I beat it was with randos and a slowbro with
>iron defense>nasty plot>stored power>psychic terrainyou can try running raindance to make pyro balls kill the esparthas a little less but psychic terrain has worked better for me. My slowbro had all EVs in def and hp idk what other people use
held item doesn't matter but leftovers slows down the battle a lot. I've seen life orb used I think. Make sure you have terra psychic obviously.
Slowbro needs to be level 100. Bold or relaxed.