Giratina is not exactly in Mt. Coronet, to be precise. It is in the deepest depths of the Reverse World.
mt. cornet
Mt. Cornet.
mt. cornet
in mt cornet
yes u can its in mt cornet
you have to go to the top of mt. cornet.
Train your magneton at Mt. Cornet
You must beat Cyrus and let the lake Pokemon free in the Veilstone T.G. building then you go to the Oreburgh City Mt. Cornet entrance and find a room with two bridges cross one of them (don't know which) and go into the hole in the cave then your in spear pillars and that's where Cyrus unleashes Garitina.
mt. cornet
Go to pokezam.com It will explain everything.
you go i caves No, you go into MT cornet (mount)
you go to mt cornet