True rasengan

this is an advanced version of the normal rasengan it appears in the naruto game series naruto usumaki chronicles 2 this is actually the rasengan which is shown in the series naruto using a shadow clone to form the rasengan while the normal rasengan in the game is less powerful and produces less damage less than the true rasengan i mean .Its damage is quite considerable and is made more effective if used after a shadow clone barrage combo attack in the game.It needs a skill chip to be able to be useful to naruto.