Basically because he puts everything into the splash, so it hurts him a lot, but it hurts his opponent a lot more
Also FLOPPY FISH SELL
I promise. I've done it. On an Alitalia flight that was most definitely a plane from the 70s, which had brown and orange carpeting, kids running down the aisles, and I swear to god people were smoking. And then on a brand new Delta plane that had a bathroom about the size of my bathroom in my house.
You'll never get this chance again. You can poop OVER THE OCEAN. IN THE AIR. LIKE A BIRD. AN EGG CAN'T LEARN TO FLY, BUT YOU CAN.