[FFXIV] So HW spoilers but thinking of what might be the next Ultimate battle

and considering it was UwU (Ultimate Weapon: Ultimate) for SB

Thordian Ultimate

But the boss battle is Nidhogg, Shiva, Thordan in that order

With THordan pulling a sephiroth on Ysayle to absorb the Primal aether for the Eye of Nighoog or something for hte Transistion

Or Because Lore reason have Shiva get devoured by Nidhogg because Hraesvelgor