Around lvl 40-50 depending
it evolve at lv42
No
give it a protector and trade it
Trade it while it is holding a Protector.
You can get Rydon to evolve by trading it with a protecter.
trade it into Pokemon emreld
Rhyhorn evolves at level 42.
you can evolve rydon by trading with the protctor
give it to rydon and trade it to make him evolve
Rhydon doesn't evolve at one set level, you must trade it while it is holding the protector.
Give to a rydon and trade it and it will evolve into a ryperior.
evolve a ryhorn, trade for one, or CHEAT! XP