The disadvantage of Eleden Ring Runes this build is that guns that scale with both Dexterity and Faith are rare in Elden Ring's open global, although you can get around this by the use of Ashes of War that give Dexterity-scaling weapons greater Faith scaling as well.
Many gamers haven't found out it but, but an amazing Dex/Arcane construct focused around Bleeding enemies, bosses, and players is one of the most powerful you can prepare in Elden Ring. With forty Dexterity, forty Arcane, a Dexterity weapon that includes innate Bleed buildup like the Uchigatana, and an Ash of War that makes it a Blood weapon with Arcane scaling, you can deal crazy quantities of burst harm very quickly. This is because the innate Bleed buildup of many Dexterity weapons stacks with the Bleed buildup that gets introduced whilst you provide a weapon Arcane scaling.
This construct receives even stronger when you Power Stance two Blood Dexterity weapons, as it doubles the Buy Eleden Ring Runes price at which you building up Bleed. Using the Mimic Tear spirit summon makes Bleed build up even faster, raising this construct to overpowered tiers.