Sonic Shot

The Sonic Shot is an Offensive Power Shot in Mario Tennis: Power Tour. Sheri uses this Power Shot in the story mode. It can be unlocked for Clay and Ace to use by gaining L6 Spin and L4 ESP. After activation, the user will spin in whole surrounded in blurry music notes, then hit a curved shot that will cause the receiver to be briefly stunned serveral times.

In-Game Description
"A shot that stuns opponents with a dazzling melody."