Help with beating renalla

Hey I'm sorta new to elden ring, and I'm kinda struggling with beating renalla I'm level 60 and Solo, I use the wolves spirit ashes,.I can get past the part with the girls but when you get transported to that universe on second phase I can't beat her, I can get her down in health 3/4 of the ways and I die, any advice or maybe someone could maybe coop and help me