Weapon details
A Thousand Blazing Suns
Type: Claymore
Rarity: ★★★★★ Base ATK: 49 CRIT Rate: 2.4%
A greatsword that dazzles like the rising sun. It has witnessed the extinguishing and rekindling of innumerable suns.
Passive effect
Sunset Reignites the Dawn
R1
Gain the "Scorching Brilliance" effect when using an Elemental Skill or Burst: CRIT DMG increased by 20% and ATK increased by 28% for 6s. This effect can trigger once every 10s. While a "Scorching Brilliance" instance is active, its duration is increased by 2s after Normal or Charged attacks deal Elemental DMG. This effect can trigger once every second, and the max duration increase is 6s. Additionally, when the equipping character is in the Nightsoul's Blessing state, "Scorching Brilliance" effects are increased by 75%, and its duration will not count down when the equipping character is off-field.
R2
Gain the "Scorching Brilliance" effect when using an Elemental Skill or Burst: CRIT DMG increased by 25% and ATK increased by 35% for 6s. This effect can trigger once every 10s. While a "Scorching Brilliance" instance is active, its duration is increased by 2s after Normal or Charged attacks deal Elemental DMG. This effect can trigger once every second, and the max duration increase is 6s. Additionally, when the equipping character is in the Nightsoul's Blessing state, "Scorching Brilliance" effects are increased by 75%, and its duration will not count down when the equipping character is off-field.
R3
Gain the "Scorching Brilliance" effect when using an Elemental Skill or Burst: CRIT DMG increased by 30% and ATK increased by 42% for 6s. This effect can trigger once every 10s. While a "Scorching Brilliance" instance is active, its duration is increased by 2s after Normal or Charged attacks deal Elemental DMG. This effect can trigger once every second, and the max duration increase is 6s. Additionally, when the equipping character is in the Nightsoul's Blessing state, "Scorching Brilliance" effects are increased by 75%, and its duration will not count down when the equipping character is off-field.
R4
Gain the "Scorching Brilliance" effect when using an Elemental Skill or Burst: CRIT DMG increased by 35% and ATK increased by 49% for 6s. This effect can trigger once every 10s. While a "Scorching Brilliance" instance is active, its duration is increased by 2s after Normal or Charged attacks deal Elemental DMG. This effect can trigger once every second, and the max duration increase is 6s. Additionally, when the equipping character is in the Nightsoul's Blessing state, "Scorching Brilliance" effects are increased by 75%, and its duration will not count down when the equipping character is off-field.
R5
Gain the "Scorching Brilliance" effect when using an Elemental Skill or Burst: CRIT DMG increased by 40% and ATK increased by 56% for 6s. This effect can trigger once every 10s. While a "Scorching Brilliance" instance is active, its duration is increased by 2s after Normal or Charged attacks deal Elemental DMG. This effect can trigger once every second, and the max duration increase is 6s. Additionally, when the equipping character is in the Nightsoul's Blessing state, "Scorching Brilliance" effects are increased by 75%, and its duration will not count down when the equipping character is off-field.
Cost per phase
Phase 0
Level cap: 20
Adventure rank required: -
Mora: -
Materials
-
Phase 1
Level cap: 40
Adventure rank required: 15
Mora: 10,000
Materials
Juvenile Fang x3 
Axis of the Secret Source x5 
Blazing Sacrificial Heart's Terror x5 Phase 2
Level cap: 50
Adventure rank required: 25
Mora: 20,000
Materials
Juvenile Fang x12 Axis of the Secret Source x18 
Blazing Sacrificial Heart's Hesitance x5 Phase 3
Level cap: 60
Adventure rank required: 30
Mora: 30,000
Materials
Seasoned Fang x9 
Sheath of the Secret Source x9 Blazing Sacrificial Heart's Hesitance x9 Phase 4
Level cap: 70
Adventure rank required: 35
Mora: 45,000
Materials
Seasoned Fang x14 Sheath of the Secret Source x18 
Blazing Sacrificial Heart's Resolve x5 Phase 5
Level cap: 80
Adventure rank required: 40
Mora: 55,000
Materials
Tyrant's Fang x9 
Heart of the Secret Source x14 Blazing Sacrificial Heart's Resolve x9 Phase 6
Level cap: 90
Adventure rank required: 50
Mora: 65,000
Materials
Tyrant's Fang x18 Heart of the Secret Source x27 
Blazing Sacrificial Heart's Splendor x6