you level it up with a metal coat
Yes, Scyther can evolve into Scizor in "Pokémon XD: Gale of Darkness" as long as you end up trading it into XD while it's holding a Metal Coat because otherwise it cannot evolve into Scizor.
Altaria does not evolve again.
All you need is a leaf stone to make nuleaf evolve.
Scyther cannot be obtained in leafgreen your going to have to trade one from firered or Pokemon xd gale of darkness to get one.
Hypno doesn't evolve.
I am afraid that to get a scyther on Pokemon Emerald, you need to trade it off Pokemon FireRed or XD Gale Of Darkness. You get it in FR in the Safari park, and from Cipher Peon Leden in Citadark Isle.
Gligar will not evolve in xd gale of darkness.
lvl. 15.
to evolve a togepi in Pokemon XD: Gale of Darkness you need to use a lot lot lot of cologne, you kno, the scents.
it doesn't evolve only in Pokemon diamond or pearl.
nothing illumise doesnt evolve xD
Larvitar evolves at Level 30 in Pokémon XD.