It's more of a pillar rising than a sole, lone platform of water. Supply power to the higgledy, bring motion into the water, and let the higgledy do the rest of the job: making it wider and traversable.
"Yeah! And then I'll jump in!" he calls down(?), though without looking. The risky part of what he said not actually hitting him until he finally reaches the top. Look, amazing! He can see so far down from here when he looks over the fencing!
...
... ... can he make a way to get down on that side though ...
From below, there's nothing to discern. It just looks like Tidus is hovering on a high pillar of water somehow holding his weight. Stuck? Contemplating? Realising the folly of trusting his methods?
until that platform bends and Tidus disappears with a blink over the side.
1/2
"Yeah! And then I'll jump in!" he calls down(?), though without looking. The risky part of what he said not actually hitting him until he finally reaches the top. Look, amazing! He can see so far down from here when he looks over the fencing!
...
... ... can he make a way to get down on that side though ...
From below, there's nothing to discern. It just looks like Tidus is hovering on a high pillar of water somehow holding his weight. Stuck? Contemplating? Realising the folly of trusting his methods?
until that platform bends and Tidus disappears with a blink over the side.
"WAAAAAGHHHH"