At the beach, there was only one proper reaction to what Rodan had just witnessed.
"...wat..."
Dorothy disagreed, as the grasses near the edge of the forest were quite tasty.
And so, Rodan decided to call for some backup and summoned Rodlicus.

HOME-TOWER ISLAND
One of Rodlicus' shards was currently sleeping, when suddenly a spectral phone began ringing besides his bed.
"Whaaaaaaat?" he whined into the phone.
"Um, sir, something happened at the beach and... could you come here please?" requested Rodan.
"Yeah, sure, I'm going." answered Rodlicus, teleportaling there. He immediately noticed all the dead fish, along with other mutilated corpses along the beach.
"Woah... Did you do this?" he asked, with Rodan immediately denying any involvement and explaining what he saw.
"Ah... Oh those other gods, always screwing up. Welp, guess I've got to make sure nothing like this happens again." said Rodlicus, preparing a new boon for all sea creatures. Rodlicus brought some sea water into his spectral mouth, garggling for a full minute or so, and then spitting back into the ocean. Moments later, fish after fish began to fly out of the ocean, rocketing into the sky. Rodlicus had jsut blessed all moving sea life with the adaptability to live anywhere they wanted, be it salt water or fresh water, also granting them the ability to breath air. Then again, Rodlicus knew next to nothing about the biology of any form of sea life, and so, his boon involved turning gills into ultra-effective engines, essentially granting all moving sea life, be it a fish, a mermaid, or an octopus, the ability to move at stupidly-fast speeds. Such was their effectiveness, that they were also able to fly with a limited range of control. Basically, he had given most sea life jet engines in their faces.
"There. Now no fish will die horribly due to the ineptitude of another god." he said, as flying jet-sharks began to descend upon herds of cows, only to be attacked by a different herd, this time made up of triceratops, who in turn were attacked by jet-propelled octopi.

Spoiler
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BOON: Adaptability to all environments, even the sky, for sea life. -3 AP
Rodlicus: 0/15 AP