Mystic of Dragon Ball Online
First you need to go and talk with NPC Power.
He is walking nearly temple in City Center
He will ask you to bring him Power Quest Ruby which you can get by helping Amir.
Amir place is in City Center (screenshot).
Amir will ask you to bring him 10 Power Quest Balls.
Now you need to get 10 Power Quest Balls which drop from Special Soldier.
There is one spot with Special Soldiers on map (screen).
Now you need drop 10 Power Quest Balls.
If you already have 10 Power Quest Balls go back to Amir and change it for Power Quest Ruby.
Now bring the Power Quest Ruby to NPC Power.
NOW YOU CAN DO POWER TRANSFORM QUEST.