Weapon/Weapon/____/Potestas
AF3+2/Charis/Suppa/Brutal
AF3+2/Miodio/Epona's/Rajas
Atheling/Twilight/AF2+2/AF3+2

6%+4%+7%+4%+4% = 25% Haste
5%+3%+3%+2%+5%+20% = 38% DA
Epona's = 3% TA
30%+10%+3%+5% = 48% Dual Wield

I'm 4/5 NFR because WS + 20 TP + 77 (4 FM Reverse Flourish with AF3+2 hands) > 100 TP.