New ocean biome with new boss mob

Deep ocean biome home to...    THE GIANT SQUID

Hidden in the cracks of the ocean is the rare deep ocean biome it hides lots of treasure filled, new monuments which hold secret maps to the giant squid's lair. once you've found it you have to take care of the guards at the door then you have to deal with it, all 250 hp of it! once it is down to half its hit points it will summon 5 mini squid to help it they are not very strong but they can deal up to 2 damage each second once defeated it drops the Squid heart which can be crafted into the squid helmet which gives you an unlimited oxygen bar and squid speed which gives you the speed of a dolphin. once you've defeated the squid you will get the achievement "Free the sea". I am hoping Minecraft adds my idea and I hope you like it.