𝓹𝓻𝓲𝓷𝓬𝓮𝓼𝓼

cast Gate on the bottom of the ocean

20ft wide portal to whatever other plane you want to dump the ocean in

at the bottom of the mariana trench you’d get some 200,000,000 gallons per minute through that sucker

it’ll still take more than 3 million years (per very naive, optimistic napkin math) to drain all the oceans but you can probably find other people to join your mad ocean destruction cult over that time and get things going in parallel

the real question is: where are you putting all this water