I solo'd her

Build: 50 Vigor 12 Mind 20 endurance 20 strength 46 Dexterity 9 Intelligence 8 Faith 43 Arcane I used a +10 RoB and a +25 Nagakiba with seppuku, and the Commanders standard for Rallying Standard ash of war (+20% damage and defense) I also used the silver tear head which increases Arcane by 8 Talismans: Dragoncrest Greatshield talisman Great-Jar's Arsenal Prosthesis Wearers Heirloom Erdtree's Favor +2 My Physick had Cerulean Hidden Tear and Flame-Shrouding Cracked Tear. (RoB does fire damage so that is why I used this tear)