Weapon details
Royal Longsword
Type: Sword
Rarity: ★★★★ Base ATK: 42 ATK%: 9%
An old longsword that belonged to the erstwhile rulers of Mondstadt. Exquisitely crafted, the carvings and embellishments testify to the stature of its owner.
Passive effect
Focus
R1
Upon damaging an opponent, increases CRIT Rate by 8%. Max 5 stacks. A CRIT Hit removes all stacks.
R2
Upon damaging an opponent, increases CRIT Rate by 10%. Max 5 stacks. A CRIT Hit removes all stacks.
R3
Upon damaging an opponent, increases CRIT Rate by 12%. Max 5 stacks. A CRIT Hit removes all stacks.
R4
Upon damaging an opponent, increases CRIT Rate by 14%. Max 5 stacks. A CRIT Hit removes all stacks.
R5
Upon damaging an opponent, increases CRIT Rate by 16%. Max 5 stacks. A CRIT Hit removes all stacks.
Cost per phase
Phase 0
Level cap: 20
Adventure rank required: -
Mora: -
Materials
-
Phase 1
Level cap: 40
Adventure rank required: 15
Mora: 5,000
Materials
Damaged Mask x2 
Heavy Horn x3 
Tile of Decarabian's Tower x3 Phase 2
Level cap: 50
Adventure rank required: 25
Mora: 15,000
Materials
Damaged Mask x8 Heavy Horn x12 
Debris of Decarabian's City x3 Phase 3
Level cap: 60
Adventure rank required: 30
Mora: 20,000
Materials
Stained Mask x6 
Black Bronze Horn x6 Debris of Decarabian's City x6 Phase 4
Level cap: 70
Adventure rank required: 35
Mora: 30,000
Materials
Stained Mask x9 Black Bronze Horn x12 
Fragment of Decarabian's Epic x3 Phase 5
Level cap: 80
Adventure rank required: 40
Mora: 35,000
Materials
Ominous Mask x6 
Black Crystal Horn x9 Fragment of Decarabian's Epic x6 Phase 6
Level cap: 90
Adventure rank required: 50
Mora: 45,000
Materials
Ominous Mask x12 Black Crystal Horn x18 
Scattered Piece of Decarabian's Dream x4