U must have (One for battle hall) Pokemon with good attacks, good defense and Sp. defense and very high hp, attack and Sp. attack
you fight it and defeat it w/ ur Pokemon
when you partly defeat the game
kill all her pokemon.
Just get STRONG Pokemon
go to the Pokemon league and defeat them
by knocking out all his/her Pokemon
With a Budew.
No, After U Defeat Him In Diamond/Pearl/Platinum U Defeat Him He Compleatly Dissapears
with a brain
w8 for platinum or get diff game i ges
At the Spear Pillar after you defeat the Elite Four and champion.
use a flying , poison or flying Pokemon