Best Relics, Light Cones, Team Comps and more
- Mortenax Blade is a new 5 Star Fire Nihility character in Honkai: Star Rail.
- His kit focuses on debuffs, battlefield control, and follow-up attacks.
- Mortenax Blade may be one of the strongest Nihility characters in the game.
That Version 4.3 update from Honkai: Star Rail released the latest 5 stars character, Mortenax Knife. He is one 5 stars Absence of Fire main DPS character and can be used as support. This Honkai Knife Crafting Guide: Star Rail Mortenax will help you maximize its capabilities by providing a breakdown of its skills and recommending optimal configurations to improve its performance.
Honkai: Star Rail Mortenax Knife Crafting Guide: Kit Explained
Mortenax Knife is something new 5 stars Absence of Fire characters in Honkai: Star Rail. We can use him as a DPS or support character thanks to his dual form mechanism. With his Ultimate, he can act as support, and we can use him as DPS by deploying a Area which reduces enemy stats and increases the damage they take. His equipment revolves around consuming his own HP to increase damage, along with his combat effects. The following is a detailed explanation regarding his Skill, Ultimate, Talent, Skill Elation, Technique and Passive Skill.
Skill
After using his Skill, he consumes his Skill 15% HP and agreement Fire DMG together with 72% from Max HP Mortenax Blade. Additionally, it causes 4 Fire DMG events, and each event will result 24% based on HP. If he doesn’t have one 15% of his HP Current HP will be reduced to 1 after using his Skill. The kill does not use Skill Points.
Final
The most important part of his equipment is his Ultimate. After using his Ultimate, he induces a condition called “Stop the Plane” on all enemies. In this state, the enemy’s defense is reduced by 30%, and they took 50% more damagelasts for 2 rounds. Then, consume HP by 30% of Mortenax Blade’s Max HP to spread a Area. When the Zone is active, Mortenax Blade enters “Infinite Rage” country.
In Unlimited Rage state, his CRIT Rate increased by 20%, and CRIT Damage increased by 60%, unlock his Skills, and get a new Ultimate called “Hold Through the Fire.” In this state, he would never be knocked down by any serious attack by the enemy. But, that would clear the Zone, and he’d be out of the Zone Unlimited Rage condition, and recover 50% HP.
Technique
Immediately attacks all enemies and reduces DMG received by 90% for 2 turns.
Talent
When the zone is active, every time a teammate hits the enemy’s Mortenax Blade, it will have an effect Turn off the plane attacks the enemy and gives him 1 Charge. When Charge reaches 9 points, Mortenax Blade will be consumed 9 Charging points and regeneration 25 Energy. Use of this additional Skill does not consume HP and is considered a Follow-up Attack.
Passive Skills
- Bones, Hardening and Nausea: He can collect up to 80 overflowing Energy. After using Ultimate, excess Energy will be removed and a certain amount of Energy will be restored. Once the zone is removed, Energy is regenerated to 50% if it is below 50%.
- Soul, Tempered ad Mortem: When Zone is active, increases the chance of being attacked by enemies. After that, he gives the attacker the “Balefire Bind” status and gets 1 Charge.
- Heart, Delicate and Infinite: While Zone is active, damage dealt by allies is increased by 50%. If there is another Nihility character besides him in the team, the ultimate damage dealt to allied targets is increased by 50%. Otherwise, Advanced ATK DMG dealt to allied targets will be increased by 50%.
Honkai: Star Rail Mortenax Blade Crafting Guide: Best Relics and Planar Ornaments
When building Mortenax Blade, there are several powerful relic options based on team composition and play style. In this section of the Honkai Knife Making Guide: Star Rail Mortenax, we will discuss everything legacy, main statisticsAnd planar ornament You should focus on Mortenax Blade.
- Body: DMG KRIT
- Feet: SPD
- Planar Sphere: Increased Fire DMG
- Connecting Rope: MOBILE PHONE
Subsidiary Priorities: HP>Critic Rate>CRIT DMG>SPD
| Relic Set | Influence |
|---|---|
| Master Smith Who Questioned God | Effects of 2 Pieces: Increases Max HP by 12%.
4 Fruit Effects: Increases the wearer’s CRIT DMG dealt to enemy targets in DEF reduction conditions by 28%. After the wearer applies DEF reduction status to an enemy target, all allies gain “Comburent” for 2 turns. These effects do not stack. DMG dealt to allies with “Comburent” is increased by 15%. This effect can be retriggered after the wearer uses an attack. |
| Longevity Disciple | 2 pieces: Increases Max HP by 12%.
4 pcs: When the wearer is hit or has his HP drained by an ally or himself, his CRIT Rate is increased by 8% for 2 turns and up to 2 stacks. |
Planar Ornaments
| Planar Ornaments | Effect |
|---|---|
| The sprightly Vonwacq | 2 Part Effect: Increases the wearer’s Energy Regeneration Rate by 5%. When the wearer’s SPD reaches 120 or higher, the wearer’s action is Charge Forward by 40% immediately after entering combat. |
| Quiet Demesne from the Bone Collection | 2 Part Effect: Increases the user’s Max HP by 12%. When the wearer’s Max HP reaches 5000 or more, this increases the wearer’s CRIT DMG and memosprite by 28%. |
Honkai: Mortenax Knife Crafting Guide Star Rail: Light Cone

| Light Cone | Effect |
|---|---|
| Reforged in Hellfire (5*) | Increases the user’s Max HP by 24%. At the start of each wave, the wearer recovers 20 Energy.
After the wearer uses the Attack Skill, they grant the target Purgatory status, which lasts for 2 rounds. While in the Purgatory state, the CRIT DMG received by the target is increased by 30%and the CRIT DMG received from the user also increases by 30%. This is his signature weapon, providing everything he needs to maximize damage. |
| Lies Dancing in the Wind (5*) | Increases the wearer’s SPD by 18%. After the wearer uses the attack, there is a 120% base chance of inflicting the Bamboozle status on each enemy target. While in Bamboozle state, the enemy target’s DEF is reduced by 16% for 2 rounds.
If the wearer’s SPD is higher than or equal to 170, there is a 120% base chance of inflicting the “Theft” status on any enemy targets. When in the “Theft” state, the enemy target’s DEF is reduced by 8% for 2 rounds. When Bamboozle or Theft is performed repeatedly, only the last event will apply. The best alternative to him if you don’t have his signature Light cone. |
| Before the Tutorial Mission Begins (4*) | Increases the user’s Effect Hit Rate by 20%. When the wearer attacks an enemy whose DEF is reduced, it will be regenerated 4 Energy.
A very good 4* alternative for him, which gives him energy for a smoother rotation. |
Best Team Company for Mortenax Blade in Honkai: Star Rail
Mortenax Blade / Ashveil / Dan Heng Permansor Terrae / Tribe
In this team, Mortenax Blade is our main DPS who will provide damage. Ashveil will reduce the enemy’s defense and provide additional damage with its follow-up attacks. Tribble is our support in this team, providing All Type RES Penetration and increasing the damage received by the enemy. And Heng Permansor Terrae is our support in this team. He will provide a shield for the entire team and also deal follow-up attack damage.

Evanescia/Yao Guang/Mortenax Blade/Dan Heng Permansor Terrae
Evanescia is our main DPS on this team, who will do the most damage. Yao Guang is our prop who will deploy his Zone to increase the team’s Elation damage, generate Punchlines through Basic Attacks and Skills, and trigger Instant Aha with Ultimate. Yao Guang also launched a follow-up attack with his passive. Mortenax Blade is our sub DPS on this team. Dan Heng Permansor Terrae’s role is also the same in this team.
Mortenax Blade has the potential to be one of the strongest Nihility units in Honkai: Star Rail thanks to its combination of debuffs, AoE damage, and advanced attack mechanics. Its ability to increase team damage while dealing serious personal damage makes it valuable for both casual and late-game content.
Honkai Star Rails Reroll Guide | Honkai Star Rail Redemption Code | Honkai Star Rail Tier List | Honkai Star Rail Line | Honkai Star Rail Elements | Honkai Star Rail Pure Fiction | Honkai: Star Rail Version 4.2 Character Banner: Who you should pull | Honkai: Star Rail Silver Wolf Lv. 999 Creation Guide
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