In Wizard 101, the jade oni is the final bad guy. At least one player was able to defeat him by using the following spell, weapons and traps: spell: wild bolt (treasure); weapons: storm blade (school spell) and elemental blade (school spell); traps: elemental trap, 2 storm traps (treasure spell); 1 storm trap (school spell); wind storm (school spell); dark wind (school spell); feint (school spell); and curse (school spell).
After you defeat Jade Oni, in Mooshu, you should be able to go into Dragonspyre. You can go into Dragonspyre from any world as long as you're at the world chamber.
You have to buy it with crowns or .... defeat jade oni or there is some place that is selling it
When you finish Mooshu and is about to heal the injured Emperor, the Jade Oni will step in your path. You need to defeat him, and then you can accept the Jade Champion's quest later on. When you want to re-fight the Jade Oni, just enter the Emperor's Palace and turn on the Obelisk, it will summon the Jade Oni.
You dont have to be a certain lvl to do the jade oni quest, as long as you have defeated all the other onis of Mooshu for your on quest.
Defeat JADE ONI
It's balance
Easy. All you have to do is wait for the Oni to strike. when he raises his blade, slash down and then slash across and you can beat the whole game
Hatch Efreet with Jade Oni, and you might get Efreet, though a slight change will be made to the stats of the pet.
When you finish tree of life and defeat jade oni, the emporer makes you talk to ambrose and then talk to Cyrus and then you battle him
One place that Oni appears in Ao Oni is in the library.
To get the jade orb you need to beat all 16 gyms then go to mount silver and beat red. Then you have to get the red orb from mr Pokemon and after catching groudon you go to either mr Pokemon or prof. Oak and get jade orb
A few 1st tier games based on Ao Oni are Abe Oni, Aka Oni,Akame Oni, and Ao Oni Plus.