Ballad of the Boundless Blue

An anthology of exquisite poetry. It contains quite a few poems beloved by Mondstadters, concerning the skies, dandelions, and other such topics.

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At a glance

Ballad of the Boundless Blue is a 4-star Catalyst released in Version 4.1. At Level 90, it has 565 Base ATK and 30.6% Energy Recharge. Its Azure Skies passive is documented from R1 to R5.

Rarity: 4 stars
Type: Catalyst
Maximum level: 90
Release version: 4.1

Lunaris data: version 7.1.0 (latest version reported by the source at import: 7.1.0), generated on September 22, 2026.This is the catalog generation date. Build guides separately state when their recommendations were checked.

Progression

Stats at level 90

Level

190

Base ATK: 565
Energy Recharge: 30.6%

Passive effect

Azure Skies

Refinement

Within 6s after Normal or Charged Attacks hit an opponent, Normal Attack DMG will be increased by 8% and Charged Attack DMG will be increased by 6%. Max 3 stacks. This effect can be triggered once every 0.3s.

Progression

Ascension materials

Total ascension cost. Level-up EXP and Mora, and extra copies for refinement, are not included.

Mora for ascensions: 150,000

Treasure Hoarder Insignia
× 10
Silver Raven Insignia
× 15
Golden Raven Insignia
× 18
Fragile Bone Shard
× 15
Sturdy Bone Shard
× 18
Fossilized Bone Shard
× 27
Boreal Wolf's Milk Tooth
× 3
Boreal Wolf's Cracked Tooth
× 9
Boreal Wolf's Broken Fang
× 9
Boreal Wolf's Nostalgia
× 4

Names source: Lunaris

Progression

Stats by level

Stored values at the main progression milestones from level 1 to 90.

Level	Base ATK	Energy Recharge
1	44	6.7%
20	119	11.8%
40	226	17.2%
50	293	19.9%
60	361	22.6%
70	429	25.2%
80	497	27.9%
90	565	30.6%

Azure Skies

R1–R5 refinement effects

Every refinement is visible together for direct comparison.

R1

R2

Within 6s after Normal or Charged Attacks hit an opponent, Normal Attack DMG will be increased by 10% and Charged Attack DMG will be increased by 7.5%. Max 3 stacks. This effect can be triggered once every 0.3s.

R3

Within 6s after Normal or Charged Attacks hit an opponent, Normal Attack DMG will be increased by 12% and Charged Attack DMG will be increased by 9%. Max 3 stacks. This effect can be triggered once every 0.3s.

R4

Within 6s after Normal or Charged Attacks hit an opponent, Normal Attack DMG will be increased by 14% and Charged Attack DMG will be increased by 10.5%. Max 3 stacks. This effect can be triggered once every 0.3s.

R5

Within 6s after Normal or Charged Attacks hit an opponent, Normal Attack DMG will be increased by 16% and Charged Attack DMG will be increased by 12%. Max 3 stacks. This effect can be triggered once every 0.3s.

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