Emberwell

A longsword that is entirely gemstone, said to be crafted for the path of righteousness. When unsheathed, it glows with the luster of blue flame.

At a glance

Emberwell is a 4-star Sword released in Version 7.0. At Level 90, it has 510 Base ATK and 165 Elemental Mastery. Its Starfire Upon the Snowplains passive is documented from R1 to R5.

Rarity: 4 stars
Type: Sword
Maximum level: 90
Release version: 7.0

Lunaris data: version 7.0.0 (current version 7.0.52.2), generated on August 25, 2026.

Progression

Stats at level 90

Level

190

Base ATK: 510
Elemental Mastery: 165

Passive effect

Starfire Upon the Snowplains

Refinement

Triggering an Elemental Reaction increases the equipping character's ATK by 16% for 12s. Triggering a Stellar Glimmer reaction increases their Stellar Glimmer reaction DMG dealt by 16% for 12s. The aforementioned effects can trigger even when the character is not on the field.

Progression

Stats by level

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

Level	Base ATK	Elemental Mastery
1	42	36
20	109	64
40	205	93
50	266	107
60	327	122
70	388	136
80	449	151
90	510	165

Starfire Upon the Snowplains

R1–R5 refinement effects

Every refinement is visible together for direct comparison.

R1

R2

Triggering an Elemental Reaction increases the equipping character's ATK by 20% for 12s. Triggering a Stellar Glimmer reaction increases their Stellar Glimmer reaction DMG dealt by 20% for 12s. The aforementioned effects can trigger even when the character is not on the field.

R3

Triggering an Elemental Reaction increases the equipping character's ATK by 24% for 12s. Triggering a Stellar Glimmer reaction increases their Stellar Glimmer reaction DMG dealt by 24% for 12s. The aforementioned effects can trigger even when the character is not on the field.

R4

Triggering an Elemental Reaction increases the equipping character's ATK by 28% for 12s. Triggering a Stellar Glimmer reaction increases their Stellar Glimmer reaction DMG dealt by 28% for 12s. The aforementioned effects can trigger even when the character is not on the field.

R5

Triggering an Elemental Reaction increases the equipping character's ATK by 32% for 12s. Triggering a Stellar Glimmer reaction increases their Stellar Glimmer reaction DMG dealt by 32% for 12s. The aforementioned effects can trigger even when the character is not on the field.

Keep exploring