Black Knight Sword. The fact that it has perseverance on it is so insanely broken. You can pop it, tank through anything and do about a thousand damage in 2 hits. Keep in mind, this is meant to be a 1 handed weapon so you can use like the Black Knight Shield with it and you're unstoppable.
Flynn's Ring: 30% bonus attack power when at minimum equip load. Magic/Lightning/Fire/Dark Clutch Rings: Damage absorption penalties reduced to 5%. Red Tearstone Ring: Effect kicks in when below 40% HP instead of 20%. 25% damage boost. Blue Tearstone Ring: Effect kicks in when below 40% HP instead of 20%. 25% damage absorb boost.
The roll backstab tech guide: for new and veteran players. There are many ways to punish R1 spam. Spacing and punishing whiffs is the most reliable and low risk. Third hit facetank or setup parry is a pretty well known approach as well. Normally people rarely manage to punish R1 spam by backstabbing, unless the opponent is using slow weapons.
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dark souls 3 best backstab weapon