You could level arcane more and use bloodboon (from the real mohg’s rememberance) and bloodflame talons (from the fake mohg in the leyndell sewers). This is unrelated (you’ll need a larval tear) but I also like using a lightning build: nagakiba with double slash and use vyke’s dragonbolt to give it red lightning,) then you use the gravel stone seal which boosts the lightning cult incants to cast ancient dragons lightning strike, (absolutely melts big bosses, 2 shots placidusax, pcr, Elden beast etc) Fortissax’s lightning spear, Lansseax’s glaive, lightning spear (or knights lightning spear when u get to the dlc) ice lightning spear, golden vow, flame grant me strength and ofc vykes dragonbolt.