[Abyssal Colossus] 2

It was thousands of times larger than our submarine. It made no sound, but a voice in my head kept telling me to 'go in,' to 'swim towards it'...". The audio then devolved into maniacal laughter, accompanied by the screeching sound of fingernails frantically scratching the metal hull. Finally, the submarine's airlock was actively opened, followed by the deafening roar of seawater rushing in. And according to radar data, just before the submarine was crushed, the colossal entity merely 'blinked' its eye.