The Key of Khaj-Nisut is a standout 5-star sword in Genshin Impact that caters to a niche but powerful playstyle. As part of the Deshret Series, it is uniquely designed with an HP bonus as its main secondary stat, making it an ideal pick for characters like Nilou who benefit from HP scaling and Elemental Mastery. With exclusive availability through limited-time wishes, this weapon brings a refreshing dynamic to teams focused on elemental reactions and support roles.
Weapon Overview and Unique Attributes
The Key of Khaj-Nisut is the only sword in Genshin Impact that boasts an HP% sub-stat as its signature feature. This sets it apart from other weapons and offers distinct advantages in teams that rely on HP scaling or seek to maximize the effects of Elemental Mastery. Its design and abilities make it highly sought after for specific builds where HP conversion is crucial.
Weapon Type, Rarity, and Obtainability
- Type: Sword
- Rarity: 5-star
- How to Obtain: This weapon is available exclusively through the limited-time Weapon Event Wish, known as “Epitome Invocation.” It is most commonly featured alongside Nilou’s banner, increasing its desirability for dedicated players.
Base Stats and Weapon Skill
Base Attributes
At level 90, the Key of Khaj-Nisut provides impressive base statistics that enhance both attack and HP. The key values include:
| Stat | Value (Level 90) |
|---|---|
| Base ATK | 542 |
| Sub-stat | HP +66.2% |
At level 1, the weapon has a Base ATK of 44 and an HP sub-stat of 14.4%.
Weapon Skill: Sunken Song of the Sands
This unique ability boosts the wielder’s HP by 20% and provides a conditional effect that enhances team Elemental Mastery. When an Elemental Skill lands on opponents, the user gains the “Grand Hymn” effect for 20 seconds. This effect increases the user’s Elemental Mastery by 0.12% of their Max HP per stack, triggering once every 0.3 seconds with up to 3 stacks. When three stacks are present or refreshed, all nearby party members receive an Elemental Mastery boost of 0.2% of the user’s Max HP for 20 seconds. The effect scales with each refinement level, making the weapon even more potent.
Ascension Materials and Build Synergies
Ascension Materials
Ascending the Key of Khaj-Nisut requires typical 5-star sword materials, predominantly items from Sumeru and the Desert region. As with other 5-star weapons, the ascension process is resource-demanding, underlining its elite status within the game.
Recommended Characters and Build Strategies
The weapon is highly specialized and ideal for characters who can fully capitalize on its HP and Elemental Mastery bonuses.
- Nilou: Considered the best candidate for this weapon, Nilou’s abilities benefit significantly from the HP sub-stat and the Elemental Mastery boost. Nilou’s kit, particularly when using the Bloom reaction in teams, synergizes perfectly with its effects.
- Kuki Shinobu: A viable option if built with HP and Elemental Mastery in mind, especially in reaction-based setups.
- Layla: Although not as synergistic as Nilou, Layla can still benefit from the HP bonus to improve her shield strength.
Team Roles and Artifact Optimization
The primary role for the Key of Khaj-Nisut is as a support or reaction driver in Bloom or other Dendro-influenced teams. Players should aim for artifact sets and stats that further enhance HP and Elemental Mastery.
- Main Stats: HP% for Sands, HP% or Hydro DMG Bonus for Goblet, and Crit Rate or Crit DMG for Circlet based on your character and team setup.
- Sub-stats: HP%, Elemental Mastery, Energy Recharge, and Crit (if applicable).
- Artifact Sets: For Nilou, valid choices include Tenacity of the Millelith and Flower of Paradise Lost, which bolster both HP and Elemental Mastery. For other characters, the focus should adjust according to whether additional shield strength or healing is needed.
Notable Attributes and Considerations
Unique Utility and Specialized Nature
The Key of Khaj-Nisut is the only sword that features an HP% sub-stat, providing a unique utility that makes it extremely effective in specific builds. Its design is tailored for players who prioritize HP scaling and require additional Elemental Mastery benefits for both individual performance and overall team support.
Limited User Suitability
While outstanding for characters such as Nilou, the weapon’s niche stat distribution means it may offer limited value for general sword users. Its full potential is only realized when used within builds that hinge on HP and reaction-based Elemental Mastery strategies.
Weapon Summary Table
| Feature | Details |
|---|---|
| Weapon Type | Sword |
| Rarity | 5-star |
| How to Obtain | Weapon Event Wish (limited time) |
| Base ATK (Lv. 90) | 542 |
| Sub-stat (Lv. 90) | HP +66.2% |
| Passive Effect | HP boost, Elemental Mastery scaling with HP, party EM buff |
| Best Characters | Nilou, Kuki Shinobu (support builds), Layla |
| Build Focus | HP%, Elemental Mastery, support roles and Bloom teams |
Frequently Asked Questions about Key of Khaj-Nisut in Genshin Impact
What makes the Key of Khaj-Nisut unique compared to other swords?
Its unique HP% sub-stat, which is the only one of its kind among swords in Genshin Impact, gives it a special edge for characters that scale with HP and need enhanced Elemental Mastery.
How do I obtain the Key of Khaj-Nisut?
This weapon is available exclusively via the limited-time Weapon Event Wish called “Epitome Invocation,” and it is usually featured on Nilou’s banner.
What are the base stats of the weapon at level 90?
At level 90, the Key of Khaj-Nisut has a Base ATK of 542 and an HP sub-stat of 66.2%.
What is the effect of its weapon skill, Sunken Song of the Sands?
The skill increases the character’s HP by 20% and, upon hitting opponents with an Elemental Skill, triggers the “Grand Hymn” effect that boosts Elemental Mastery by 0.12% of Max HP per stack, with additional bonuses for the party when fully stacked.
Which characters benefit the most from this weapon?
Nilou is the primary beneficiary due to her scaling with HP. Other viable options include Kuki Shinobu and Layla, although their synergy is not as strong as with Nilou.
Can the Key of Khaj-Nisut be refined to improve its effects?
Yes, the weapon scales with refinement levels from R1 to R5, enhancing the HP bonus, Elemental Mastery per stack, and the party buff accordingly.
What are the recommended artifact stats when using this weapon?
Ideal artifacts include main stats like HP% on the Sands, HP% or Hydro DMG Bonus on the Goblet, and either Crit Rate or Crit DMG on the Circlet, with sub-stats focused on HP%, Elemental Mastery, and Energy Recharge.
What role does this weapon play in team compositions?
The Key of Khaj-Nisut is best suited for support or reaction-based roles, especially in teams designed around Bloom or other Elemental Reaction strategies where HP scaling is essential.
What materials are needed to ascend this weapon?
The ascension process requires typical 5-star sword materials sourced primarily from Sumeru and the Desert region, indicating its resource-intensive nature.
Is the weapon useful for all sword users in Genshin Impact?
Not exactly; its design makes it ideal for HP-scaling characters. For most other sword users who do not rely on HP or need additional Elemental Mastery, its utility may be limited.
