Whomperstomp (ワンダージャンボリー, Wandā Janborī?, lit. "Wonder Jamboree") is a technique in Kingdom Hearts 3D: Dream Drop Distance. It allows the user to jump on their Spirit, who becomes greatly enlarged, and jump around, creating a shockwave upon each landing.
Whomperstomp is a Dual Attack that drains the Link Gauge by 4.8% per second. The Spirit can bounce up to 15 times, draining 5% of the Link Gauge with each bounce. Both the Spirit's body and shockwaves deal Physical damage. The direction can be changed with .
The exact properties of the attack depend on the Spirit used. Flowbermeow's version is vastly faster at the cost of draining the Link Gauge faster, while Meowjesty's delivers more powerful shockwaves. In addition, if both Spirits used in the attack are Meow Wow variants, the Meow Wow variant that performs the attack will be the one indicated with the blue Spirit icon.
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