characters mortenax blade

Mortenax Blade

NihilityFire5★Released: 01/06/2026 · v4.3
Last updated: 02/06/2026
Glory: Aha

“I remember you. Time has made us both sharper. Yet you are still you… and I am still me.”

About
Artwork
In Game
Other Names
Yingxing
Species
Long-Life Species
Path story
Finality
Signature Light Cone
Reforged in Hellfire
Debut Banner
Now I Am Become Blade
Release Date
2026-06-01
Version
introduced in 3.8, playable from 4.3

Faction

  • Stellaron Hunters
  • High-Cloud Quintet
EN Daman Mills
CN Liu Yijia (刘以嘉)
JP Miki Shin-ichiro (三木眞一郎)
KR Kwak Yoon-sang (곽윤상)
  • Rank 1 "Center Pick for Xianzhou's Top Assassin"
  • Rank 1 "Stellaron Hunter Life Skills"
  • Rank 1 "No Such Worldly Desires"

Playstyle overview

Mortenax Blade is a damage dealer who gains enhancements and new abilities by deploying a special Zone. While the Zone is active, allies can repeatedly inflict the DEF-reducing Grievous Wound debuff on enemies, and they can also trigger extra follow-up attacks from Mortenax Blade.

Stats Base

Lv. 80
  • HP Base—
  • ATK Base—
  • DEF Base—
  • SPD—
  • Taunt—

Ascension Materials

20304050607080

Best Mortenax Blade Build Guide

Best Light Cones

Best Relics

1
Divine-Querying Master Smith 4 Divine-Querying Master Smith
2
Eagle of Twilight Line 4 Eagle of Twilight Line
3
Longevous Disciple 4 Longevous Disciple

Best Planar Ornaments

1
Sprightly Vonwacq 2 Sprightly Vonwacq
2
Bone Collection's Serene Demesne 2 Bone Collection's Serene Demesne
3
Lushaka, the Sunken Seas 2 Lushaka, the Sunken Seas

Mortenax Blade Skills

Basic ATK

A Broken Blade Still Slays

[BASIC]
Energy Generated+20
Toughness Break Single Target: 30

Deals Fire DMG equal to 70% of Mortenax Blade’s Max HP to one designated enemy, and causes the target to enter the Taunt state for 1 turn.

Lv. 10

Upgrade Materials

Lv. 1 to Lv. 10

A Rain of Blades Seals Fate

[SKILL]
Energy Generated+30
Toughness Break Single Target: 60

Consumes HP equal to 10.0% of Mortenax Blade’s Max HP and deals Fire DMG equal to 90% of Mortenax Blade’s Max HP to all enemies, and additionally deals 4 instance(s) of DMG, with each instance dealing Fire DMG equal to 30.0% of Mortenax Blade’s Max HP to one random enemy.
If 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.

Lv. 15

Upgrade Materials

Lv. 1 to Lv. 15

Fornax Ex Corpore

[ULTIMATE]
Energy Generated-Cost
Toughness Break AoE: 60

Inflicts “Balefire Bind” on all enemies. Enemy targets in the “Balefire Bind” state have their DEF reduced by 35.0% and the DMG they receive increases by 60.0%, lasting for 2 turn(s). Then, consumes HP equal to 20% of Mortenax Blade’s Max HP to deploy a Zone. While the Zone is active, Mortenax Blade enters the “Infinite Fury” state.
During the “Infinite Fury” state, increases CRIT Rate by 20%, increases CRIT DMG by 75.0%, 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.

Lv. 15

Upgrade Materials

Lv. 1 to Lv. 15

All Karma Comes Due

[TALENT]

While the Zone is active, after each attack an ally target uses on an enemy, inflicts the “Balefire Bind” state on the corresponding enemy target and grants 1 Charge to Mortenax Blade. When Charge reaches 9 points and the current HP is more than 1, consumes 9 Charge, regenerates 30.0 Energy, and enables Mortenax Blade to use Skill 1 extra time. This extra Skill use is considered as Follow-Up ATK.

Lv. 15

Upgrade Materials

Lv. 1 to Lv. 15

Blade's Reach Spares None

[TECHNIQUE]
Toughness Break AoE: 60

Immediately attacks all enemies within a certain range. After entering combat, inflicts the Taunt state on all enemies for 1 turn and decreases DMG taken by this unit by 90% for 2 turn(s).

Tenax Per Ignem

[ULTIMATE]
Energy Generated-Cost
Toughness Break AoE: 60

Deals Fire DMG equal to 420.0% of Mortenax Blade’s Max HP to all enemies.

Lv. 15

Upgrade Materials

Lv. 1 to Lv. 15

Mortenax Blade Traces

Mortenax Blade Eidolons

Ere My Death, I Stood Unmade
Eidolon 1

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%.

Ash Was My Heart, Yet the Flame Stayed
Eidolon 2

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.

Across the Shore, Wrath Laid Bare
Eidolon 3

Ultimate Lv. +2, up to a maximum of Lv. 15.
Talent Lv. +2, up to a maximum of Lv. 15.

Odium I've Smitten, Thence Came the Blade
Eidolon 4

“Heart, Refined ad Infinitum” additionally increases ally targets’ DMG dealt by 50%.

I Severed My Woes, Knowing Death Begets Life
Eidolon 5

Skill Lv. +2, up to a maximum of Lv. 15.
Basic ATK Lv. +1, up to a maximum of Lv. 10.

If Immortality Could Die, I Swore THEM Slain
Eidolon 6

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.