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Key of Khaj-Nisut is a 5-star sword and Nilou's signature weapon in Genshin Impact. See the Key of Khaj-Nisut's best characters, ascension materials, weapon stats, and how to get it in this guide!
| Key of Khaj-Nisut | |
|---|---|
|
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| Type | Sword |
| Base ATK | 44 |
| Rarity | ★★★★★ |
| Bonus Effect |
HP + 14.4% |
| Skill |
Sunken Song of the Sands HP increased by 20%. When an Elemental Skill hits opponents, you gain the Grand Hymn effect for 20s. This effect increases the equipping character's Elemental Mastery by 0.12% of their Max HP. This effect can trigger once every 0.3s. Max 3 stacks. When this effect gains 3 stacks, or when the third stack's duration is refreshed, the Elemental Mastery of all nearby party members will be increased by 0.2% of the equipping character's max HP for 20s. |
| Skill Effect Summary | ・Increases Max HP. ・When the equipping character's Elemental Skill hits an opponent, their Elemental Mastery increases. Max 3 stacks. ・After obtaining 3 stacks, give all party members a boost in Elemental Mastery. |
|---|
| Lvl. | Base ATK | HP |
|---|---|---|
| 1/20 | 44 | 14.4% |
| 20/20 | 110 | 25.4% |
| 40/40 | 210 | 37.1% |
| 50/50 | 275 | 42.9% |
| 60/60 | 341 | 48.7% |
| 70/70 | 408 | 54.5% |
| 80/80 | 475 | 60.3% |
| 90/90 | 542 | 66.2% |
| Skill Effect |
|---|
| HP increased by 20%. When an Elemental Skill hits opponents, you gain the Grand Hymn effect for 20s. This effect increases the equipping character's Elemental Mastery by 0.12% of their Max HP. This effect can trigger once every 0.3s. Max 3 stacks. When this effect gains 3 stacks, or when the third stack's duration is refreshed, the Elemental Mastery of all nearby party members will be increased by 0.2% of the equipping character's max HP for 20s. |
| Skill Effect |
|---|
| HP increased by 25%. When an Elemental Skill hits opponents, you gain the Grand Hymn effect for 20s. This effect increases the equipping character's Elemental Mastery by 0.15% of their Max HP. This effect can trigger once every 0.3s. Max 3 stacks. When this effect gains 3 stacks, or when the third stack's duration is refreshed, the Elemental Mastery of all nearby party members will be increased by 0.25% of the equipping character's max HP for 20s. |
| Skill Effect |
|---|
| HP increased by 30%. When an Elemental Skill hits opponents, you gain the Grand Hymn effect for 20s. This effect increases the equipping character's Elemental Mastery by 0.18% of their Max HP. This effect can trigger once every 0.3s. Max 3 stacks. When this effect gains 3 stacks, or when the third stack's duration is refreshed, the Elemental Mastery of all nearby party members will be increased by 0.3% of the equipping character's max HP for 20s. |
| Skill Effect |
|---|
| HP increased by 35%. When an Elemental Skill hits opponents, you gain the Grand Hymn effect for 20s. This effect increases the equipping character's Elemental Mastery by 0.21% of their Max HP. This effect can trigger once every 0.3s. Max 3 stacks. When this effect gains 3 stacks, or when the third stack's duration is refreshed, the Elemental Mastery of all nearby party members will be increased by 0.35% of the equipping character's max HP for 20s. |
| Skill Effect |
|---|
| HP increased by 40%. When an Elemental Skill hits opponents, you gain the Grand Hymn effect for 20s. This effect increases the equipping character's Elemental Mastery by 0.24% of their Max HP. This effect can trigger once every 0.3s. Max 3 stacks. When this effect gains 3 stacks, or when the third stack's duration is refreshed, the Elemental Mastery of all nearby party members will be increased by 0.4% of the equipping character's max HP for 20s. |
| Recommended Characters | ||
|---|---|---|
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The Key of Khaj-Nisut is a great weapon for any character whose talents scale off HP%. It is also a good weapon for Sub-DPS or Support characters since it can provide Elemental Mastery to the party.
The Key of Khaj-Nisut is a very good weapon for Kuki Shinobu for an Aggravate Sub-DPS build. For a Hyperbloom team, it will be better for her to instead use an Elemental Mastery Main stat weapon.

| Banner Start | September 10, 2025 |
|---|---|
| Banner End | September 30, 2025 |
Key of Khaj-Nisut is a featured 5-star weapon in the first phase of Version 6.0 Luna I, along other 5-Star Sumeru characters and their signature weapons!
As this weapon is an Event-Wish exclusive weapon, you cannot obtain Key of Khaj-Nisut by any other means after its banner ends.
Chronicled Wish 6.0 Banner Guide
| Wish Banner Guides | ||
|---|---|---|
Banner Info |
Wish Sim |
All Wishes |
| Ascension Materials | Total |
|---|---|
| 225,000 | |
| 15 | |
| 23 | |
| 27 | |
| 5 | |
| 14 | |
| 14 | |
| 6 | |
| 23 | |
| 27 | |
| 41 | |
| 20 → 40 |
|
|---|---|
| 40 → 50 |
|
| 50 → 60 |
|
| 60 → 70 |
|
| 70 → 80 |
|
| 80 → 90 |
|

Key of Khaj-Nisut Best Characters and How to Get



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can i use this weapon on hydro traveler ?