Second ring can be switched to anything you want. Bellowing Dragoncrest, Wolf, Dark Wood Grain and Havel's Rings are all good choices. This setup allows you to reach 76 poise with either Wolf or Havel's.
Weapon can be switched to an Enchanted Claymore +5 if you like (same stat requirements).
After a bit of testing I realised that 6 castings of Dark Beads isn't a whole lot so I decided to add more.