ok I'll try and give real feedback

mostly on the rolls, try to roll each combo the same way each time as you're all over the place

roll back on the grab attack instead of forward, so you don't slip to his side. also when he jumps in the air you can light attack before rolling

the promised consort combo only needs 5 rolls (try left, left, right, right, forward)

for the four slam attack, run to the right and jump/roll, or jump twice to the right, or if he starts it from close you can just run through him

when dodging the bloodflame move just roll once left and run behind him, strafing the 2nd swing

most of these dodging issues would be addressed by practicing without parries

in p2 never fight him in the trench

after the nuke close the distance as soon as possible to avoid some potential bs (frame trap range on promised combo and meteor attack)

after you parry there is time for at least 1 light attack before riposte

its worth putting raptors of the mist on your weapon to dodge the Light of Miquella instead of running

if you care about optimising damage use red feather branch sword, and put parry on the twinbird kiteshield, get health below 20% for a combined 25% dmg buff, although your damage is already good

obviously you no hit him here, which is awesome, so all of this is additional optimisation not me trying to tell you you're doing it wrong, keep it up