Quote Originally Posted by RiceisNice View Post
Because they're giving the name of an attack that canonically ended 1.0, is used in a boss fight, to an attack which was also shown in a cinematic, is also used in two seperate boss fights, and has more-or-less the same particle effects/animation. I'd be a bit confused if my tortoise used hydropump, but it appeared as a little water gun squirt (when only seconds ago, I was on the receiving end of a hydropump).
But these are small details. We've only seen the build up portion of the attack anyway, not the full animation.