This sound effect can be found on Patricio Libenson Explosions for the 21st Century, which was made by The Hollywood Edge.
Sound Effect Description
Explosion; Water Splash 01
Clean, Full Length and Unedited Link to the Sound Effect
Used In
Abridged Anime
Anime
Image Gallery
Little Witch Academia Ep. 3: "Don't Stop Me Now" Hollywoodedge, Explosion Water Spl EXP026401
Audio Samples