Skills
Basic ATK Lv.
6
Basic ATK
Lv.
6
A Broken Blade Still Slays [Single Target]
Fire
FireEnergy Gen 20
Break
(In-Game) 10
(Single Target)
Skill Points +1
A Tempered Blade Severs Souls [Single Target]
Fire
FireEnergy Gen 20
Break
(In-Game) 10
(Single Target)
Skill Points +1
Skill Lv.
10
Skill
Lv.
10
A Rain of Blades Seals Fate [AoE]
Fire
FireIf the current HP is insufficient, Mortenax Blade's current HP will be reduced to 1 when he uses Skill.
While not in the "Infinite Fury" state or when the current HP is 1 or lower, Mortenax Blade cannot use his Skill.
Using Skill does not consume Skill Points. Consumes HP and deals Fire DMG to all enemies. Then, deals minor Fire DMG to single enemies, bouncing 4 time(s).
Energy Gen 30
Break
(In-Game) 10
(AoE) 5
(Single Target)
Skill Points +0
Ultimate Lv.
10
Ultimate
Lv.
10
Fornax Ex Corpore [Enhance]
Fire
FireDuring the "Infinite Fury" state, increases CRIT Rate by 20%, increases CRIT DMG by 60.0%, enhances Basic ATK, unlocks Skill, and gains a new Ultimate "Tenax Per Ignem." When receiving a killing blow, this unit will not be knocked down, but will dispel the Zone, exit the "Infinite Fury" state, and restore HP equal to 50% of this unit's Max HP.
When gaining the "Infinite Fury" state, a corresponding countdown appears on the Action Order. The countdown has a fixed SPD of 70. At the start of the countdown's turn, dispels the Zone and exits the "Infinite Fury" state.
If the current HP is insufficient, Mortenax Blade's current HP will be reduced to 1 when he uses this ability. Inflicts "Balefire Bind" on all enemies, causing the targets to decrease their DEF and increase the DMG they receive. Then, consumes this unit's HP to activate a Zone. While the Zone is active, this unit gains the "Infinite Fury" state, increases CRIT Rate, increases CRIT DMG, enhances Basic ATK, unlocks Skill, and gains a new Ultimate, lasting until the countdown ends.
When Mortenax Blade receives a killing blow, the Zone is dispelled.
Energy Cost 160
Max Energy 160
Energy Gen 5
Tenax Per Ignem [AoE]
Fire
FireEnergy Cost 160
Max Energy 160
Energy Gen 5
Break
(In-Game) 20
(AoE)
Talent Lv.
10
Talent
Lv.
10
All Karma Comes Due [Support]
Technique
Technique
Blade's Reach Spares None
Fire
FireEnergy Gen 0
Break
(In-Game) 20
(Single Target)
Traces
Bone, Hardened ad Nauseam
Bone, Hardened ad Nauseam
Mortenax Blade can accumulate up to 80 overflow Energy. After using Ultimate, clears it and regenerates a corresponding amount of Energy. When the battle starts or when the Zone is dispelled, if Energy is below 75%, it is immediately regenerated to 75%. When Energy is regenerated to its maximum, dispels all debuffs from this unit. Raw Params Effects
Requirement Ascension 2
Soul, Tempered ad Mortem
Soul, Tempered ad Mortem
While the Zone is active, increases the chance of being attacked by enemies, decreases DMG taken by this unit by 50%, and increases Incoming Healing by 50%. After being attacked, inflicts the "Balefire Bind" state on the corresponding target, and enables Mortenax Blade to gain 1 Charge. Raw Params
Requirement Ascension 4
Heart, Refined ad Infinitum
Heart, Refined ad Infinitum
While the Zone is active, ally targets deal 50% increased DMG. If there are other Nihility characters aside from Mortenax Blade in the team, Ultimate DMG dealt by ally targets increases by 75%. Otherwise, DMG dealt by Mortenax Blade additionally increases by 75%. Raw Params
Requirement Ascension 6
DMG Boost: Fire
DMG Boost: Fire
HP Boost
HP Boost
CRIT Rate Boost
CRIT Rate Boost
Eidolons
01
Ere My Death, I Stood Unmade
Ere My Death, I Stood Unmade
While the Zone is active, decreases all enemies' All-Type RES by 20%. After using the extra Skill from Talent, the "Infinite Fury" countdown has its action delayed by 15%. Raw Params Effects
02
Ash Was My Heart, Yet the Flame Stayed
Ash Was My Heart, Yet the Flame Stayed
When an ally character uses Ultimate to deal DMG, it is considered as having launched Follow-Up ATK. And the Follow-Up ATK DMG dealt by ally targets increases by 75%. The upper limit of Mortenax Blade's Charge decreases to 7. Raw Params Effects
03
Across the Shore, Wrath Laid Bare
Across the Shore, Wrath Laid Bare
Ultimate Lv. +2, up to a maximum of Lv. 15.
Talent Lv. +2, up to a maximum of Lv. 15.
Talent Lv. +2, up to a maximum of Lv. 15.
04
Odium I've Smitten, Thence Came the Blade
Odium I've Smitten, Thence Came the Blade
"Heart, Refined ad Infinitum" additionally increases ally targets' DMG dealt by 50%. Raw Params
05
I Severed My Woes, Knowing Death Begets Life
I Severed My Woes, Knowing Death Begets Life
Skill Lv. +2, up to a maximum of Lv. 15.
Basic ATK Lv. +1, up to a maximum of Lv. 10.
Basic ATK Lv. +1, up to a maximum of Lv. 10.
06
If Immortality Could Die, I Swore THEM Slain
If Immortality Could Die, I Swore THEM Slain
As the Zone persists, when Mortenax Blade takes DMG or consumes HP, he gains 1 Charge. This effect can trigger again after any target's turn ends. The DMG multiplier of "Tenax Per Ignem" increases to 150% of its original value. Raw Params
Materials Calculator
In-Game Build Guide
Recommended Light Cones
Recommended Teams
Recommended Gear
CRIT Rate> CRIT DMG
SPD> HP%
Fire DMG Boost> HP%
HP%> Energy Regeneration Rate
Recommended Substats HP% / CRIT Rate / CRIT DMG / SPD
Cavern Relics
Divine-Querying Master Smith
2-Piece Set: Increases Max HP by 12%.
4-Piece Set: Increases the wearer's CRIT DMG dealt to enemy targets in the DEF reduction state by 28%. After the wearer inflicts the DEF reduction state on an enemy target, all allies gain "Comburent" for 2 turn(s). This effect cannot be stacked. The DMG dealt by ally targets with "Comburent" increases by 15%. This effect can be triggered again after the wearer uses an attack.
Pioneer Diver of Dead Waters
2-Piece Set: Increases DMG dealt to enemies with debuffs by 12%.
4-Piece Set: Increases CRIT Rate by 4%. The wearer deals 8%/12% increased CRIT DMG to enemies with at least 2/3 debuffs. After the wearer inflicts a debuff on enemy targets, the aforementioned effects increase by 100%, lasting for 1 turn(s).
Longevous Disciple
2-Piece Set: Increases Max HP by 12%.
4-Piece Set: When the wearer is hit or has their HP consumed by an ally or themselves, their CRIT Rate increases by 8% for 2 turn(s) and up to 2 stacks.
Planar Ornaments
Bone Collection's Serene Demesne
2-Piece Set: Increases the wearer's Max HP by 12%. When the wearer's Max HP is 5000 or higher, increases the wearer's and their memosprite's CRIT DMG by 28%.
Inert Salsotto
2-Piece Set: Increases the wearer's CRIT Rate by 8%. When the wearer's current CRIT Rate reaches 50% or higher, the DMG dealt by the wearer's Ultimate and Follow-Up ATK increases by 15%.
Duran, Dynasty of Running Wolves
2-Piece Set: When an ally character uses a Follow-Up ATK, the wearer gains 1 stack of "Merit," stacking up to 5 time(s). Each stack of "Merit" increases the DMG dealt by the wearer's Follow-Up ATKs by 5%. When there are 5 stacks, additionally increases the wearer's CRIT DMG by 25%.
Skill Upgrade Priority
Ultimate

Skill
Talent

Basic ATK
Voicelines
Chinese ...English ...Korean ...Japanese ...
This character's voicelines are not available in game with the current Branch selection.
It may be available in another Branch. You can adjust this in Settings.
It may be available in another Branch. You can adjust this in Settings.
Story
Description
Body like spring wood, heart like dead ash. Yet embers of a craftsman's spark still linger at his fingertips.
As ancient grudges are ignited once more, he promises to send both himself and the gods to the other side...
Torn flesh, tempered a thousand times into a blade... What answer will it create?
As ancient grudges are ignited once more, he promises to send both himself and the gods to the other side...
Torn flesh, tempered a thousand times into a blade... What answer will it create?
Base ATK
Base DEF
SPD
CRIT DMG