Anecdotally, on the JP version,
was giving me a lot more trouble than I thought it would. The usual parry combo I used for the last part of the desperation simply wasn't working. Pretty sure there's a very slight input->display lag on my current setup compared to when I was playing PS2.
Had to change things up
and he went boom.
Lingering Will
Had to change things up
(essentially always had to be sure to have mana, spam reflect instead of parry)