if you mean 2nd floor in spear pillar, you need an item that hasn't been released in an event though. if you search you might find a cheat for it. At the top is arceus at level 70 or 80. (masterball recommended)
mt cornet or victory road or you can catch it at pal park if you migrate it You can get a medicham on the middle floor of mount coronet (floor 2)
There is no other place to get it besides Mount. Coronet. Sorry
in mount coronet
You can't
i think you have to ether level him up at mount coronet or make him level up while wearing a certain item at mount coronet
The Azure flute is not on mount coronet you have to get it from a special Pokemon event
mount coronet 4th floor near the waterfall use super rod
mt cornet or victory road or you can catch it at pal park if you migrate it You can get a medicham on the middle floor of mount coronet (floor 2)
you need to get to the spear pillar that is the top of the mount coronet to find him
There is no other place to get it besides Mount. Coronet. Sorry
somewhere in Mount Coronet is on the 4 floor a waterfall. use the super rod and there is you're Dragonair. (5% chance)
mount coronet
in mount coronet
Mt Coronet (second floor) in the large lake. He only appears on 4 tiles in the lake. Enter Mt Coronet via Celeste town and go north
he is at the top of mount coronet
follow the paths
look for it