Prototype Rancour is 4 star sword with Physical DMG Bonus substats. You can obtain this weapon by forging it in local blacksmith. Require 1x Northlander
Kagotsurube Isshin is 4 star sword with ATK substats. This sword can be obtained for free from Kazuha character story, and unfortunately can’t be refined.
Toukabou Shigure or Umbrella sword is 4 star sword with Elemental Mastery substats. This sword only obtainable from past Courage Test (Akitsu Kimodameshi) event in
Iron Sting is 4 star sword with Elemental Mastery substats. This weapon can be forged in your friendly local blacksmith, require 1x Northlander Sword Billet,
Festering Desire is 4 star sword with Energy Recharge substats. This sword is first sword obtainable from event, and it’s only obtainable from past event
Cinnabar Spindle is 4 star sword with DEF substats. This weapon only obtainable from past Dragonspine event (2.3) and it’s Albedo signature weapon. A sword
