Honkai Star Rail Mydei Skill Kit & Signature Light Cone

Honkai Star Rail Mydei Skill Kit & Signature Light Cone

2025/02/14Game Guides

With the 3.1 update fast approaching, leaks are starting to roll in about Mydei, the upcoming Imaginary 5-star from the Destruction Path. And honestly? He sounds like a total game-changer. From his skills to his Light Cone, Mydei is shaping up to be a high-risk, high-reward type of character that could seriously shake up your team compositions.

mydei

If you’re a fan of dealing big damage by playing with fire (or your own HP), Mydei’s gonna be your guy. His skill kit definitely packs a punch, so let’s dive into what we know so far. And, if you’re looking to get the most out of your pulls and prep your account for the new star, LDShop has the perfect Honkai: Star Rail top-up deals to help you stay ahead of the game!

Just a heads-up, since this information is still unofficial, some details might change when Mydei is officially released in Honkai Star Rail 3.1.

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Basic Information

Mydei is a 5-star Limited Imaginary character following the path of Destruction and his gimmick revolves around consuming his own HP in order to boost his damage output in order to deal massive amount of damage to enemies, with the damage increasing proportionally to Mydei’s own Max HP stat, the higher his Max HP is, the stronger his attacks will be.

Mydei

Mydei’s skill kit and abilities allows him to consumer his HP to enhance his abilities and deal big damage to a single enemy and additional blast damage for adjacent enemies. In addition, when Mydei Charge bar is filled up, he will enter a special mode which allows him to taunt all enemies and recover his Max HP when attacked in exchange for consuming his Max HP to enhance his Skill damage even more against enemies.

Rarity

5-Star (Limited)

Element

Imaginary

Path

Destruction

Base Attack (at Level 80)

426.89

Base Defense (at Level 80)

194.04

Base HP (at Level 80)

1552.3

Base Speed

95

Taunt Value

75

Max Energy 

160

 

Mydei’s Skill Kit Details

Basic Attack: Vow of Voyage (Single Target)

Deals Imaginary DMG equal to X% of Mydei's Max HP to a target enemy.

Basic Attack: Vow of Voyage (Single Target)

Attack Type 

Single Target

Break Value

10

Energy Recover

20

Effect Value (Based on Trait Level)

Lv1 (Base)

Lv6 (Max Trait)

Lv7 (E3)

Imaginary Damage

25%

50%

55%

 

Skill: Deaths are Legion, Regrets are None (Blast)

Consumes HP by an amount equal to 50% of Mydei's current HP. Deals Imaginary DMG equal to X% of Mydei's Max HP to one designated enemy unit and Imaginary DMG equal to Y% of Mydei's Max HP to adjacent targets.

If the current HP is not sufficient, using Skill reduces Mydei's current HP to 1.

Skill: Deaths are Legion, Regrets are None (Blast)

Attack Type 

Blast

Break Value

20 (Main Target) 10 (Adjacent Targets)

Energy Recover

30

Effect Value (Based on Trait Level)

Lv1 (Base)

Lv10 (Max Trait)

Lv12 (E3)

Imaginary Damage (Main Target)

45%

90%

99%

Imaginary Damage ( Adjacent Targets)

25%

50%

55%

 

Ultimate: Throne of Bones (Blast)

Mydei gains "Death Proof" for 2 turn(s). While in the "Death Proof" state, Mydei can restore HP by X% of his Max HP after being attacked. 

Deals Imaginary DMG equal to Y% of Mydei's Max HP to one designated enemy, and deals Imaginary DMG equal to Z% of Mydei's Max HP to adjacent targets. Additionally, Taunts the target and targets adjacent to it, lasting for 2 turn(s).

Ultimate: Throne of Bones (Blast)

Attack Type 

Blast

Break Value

20 to all Targets

Energy Recover

Cost 160 , Regen 5

Effect Value (Based on Trait Level)

Lv1 (Base)

Lv10 (Max Trait)

Lv12 (E5)

Health Recovery

8%

10%

10.4%

Imaginary Damage (Main Target)

96%

160%

172.8%

Imaginary Damage ( Adjacent Targets)

60%

100%

108%

 

Talent: Blood for Blood

For each 1% of HP lose, gains 1 point of Charge (up to 200 points). When Charge reaches 100, consume 100 points of Charge to enter the "Vendetta" state, restores HP equal to X% of Mydei's Max HP, and advances action by 100%. While in the "Vendetta" state, Max HP increases by 50% of the current Max HP and DEF remains at 0. At the start of this unit's turn, automatically uses "Kingslayer Be King."

When Charge reaches 150 points while in the "Vendetta" state, Mydei immediately gains 1 extra turn and automatically uses "Godslayer Be God."

When receiving fatal damage while in the "Vendetta" state, Mydei clears his Charge and exits the "Vendetta" state, restoring HP by 50% of his Max HP.

For each 100 points of Mydei's Max HP beyond 6000 points, the Charge Mydei receives from enemy targets' DMG increases by 1.66%, and his Incoming Healing increases by 0.5%, tallying up to 6000 HP in excess.

Attack Type 

AoE (Follow Up Attack)

Break Value

5 per target

Energy Recover

0

Effect Value (Based on Trait Level)

Lv1 (Base)

Lv10 (Max Trait)

Lv12 (E5)

Health Recovery

15%

25%

27%


Special Attack: "Kingslayer Be King."

Consumes HP by an amount equal to 35% of Mydei's current HP. Deals Imaginary DMG equal to 110% of Mydei's Max HP to one enemy and Imaginary DMG equal to 66% of Mydei's Max HP to adjacent targets.

If the current HP is not sufficient, using Skill reduces Mydei's current HP to 1.

This ability will be automatically used.

 

Special Attack: "Godslayer Be God."

Special Attack: "Godslayer Be God."

Consumes 150 Charges and deals Imaginary DMG to one enemy equal to 280% of Mydei's Max HP. At the same time, deals Imaginary DMG to adjacent targets equal to 168% of Mydei's Max HP.

This ability will be automatically used. While this ability is in use, Charge cannot be accumulated.

 

Technique: Cage of Broken Lance

Technique: Cage of Broken Lance

After using Technique, pulls in enemies within a certain area and inflicts Daze on them for 10 second(s). Dazed enemies will not actively attack ally targets.

If actively attacking Dazed enemies, when entering battle, deals Imaginary DMG equal to 80% of Mydei's Max HP to all enemies, and Taunts the targets, lasting for 1 turn(s). This unit accumulates 50 Talent's Charge point(s).

 

Mydei’s Signature Lightcone: Flame of Blood, Blaze My Path

Flame of Blood, Blaze My Path

 

Effect: Increases the wearer's Max HP by X% and Incoming Healing by Y%. When using Skill or Ultimate, consume HP equal to Z% of the wearer's Max HP and increase the DMG dealt by this attack by A% . If this effect's consumed HP is greater than 500, this attack's DMG additionally increases by B%.

If the current HP is not sufficient, this effect reduces the wearer's HP down to 1.

Buff Value (Based on Superimposition Level)

S1

S2

S3

S4

S5

Max HP Increase

18%

21%

24%

27%

30%

Incoming Healing Increase

20%

25%

30%

35%

40%

HP Consumption

6%

6.5%

7%

7.5%

8%

Attack Damage Increase

30%

35%

40%

45%

50%

Additional Attack Damage Increase

30%

35%

40%

45%

50%

 

Mydei’s Traces

Bonus Abilities

- Earth and Water (Unlock at Ascension 2):

If Mydei has "Death Proof" while in the "Vendetta" state, he will not exit the "Vendetta" state when receiving fatal damage. His current HP can be reduced to a minimum of 1.

- Thirty Tyrants (Unlock at Ascension 4):

While in the "Vendetta" state, Mydei is immune to Crowd Control debuffs.

- Bloodied Chiton (Unlock at Ascension 6):

When battle starts, if Mydei's Max HP exceeds 5000, for every 100 excess HP, increases this unit's CRIT Rate by 1.6%, up to a max increase of 48%.

 

Bonus Stats

Speed

Crit Damage%

HP%

5

37.3%

18%

 

Mydei’s Eidolons

Mydei’s Eidolons

Eidolon 1: Frost Hones Spine of Steel

While in the "Vendetta" state, the DMG dealt by Mydei ignores 15% of enemy targets' DEF. And each time healing is received, 40% of the healed amount will be converted into Charge based on Mydei's Max HP.

Eidolon 2: Strife Beholds Cry of Dead

"Godslayer Be God" becomes Imaginary DMG dealt to all enemies equal to the DMG multiplier applied to the primary target.

Eidolon 3: Honor Exalts Feast of Faith

Skill Lv. +2, up to a maximum of Lv. 15.

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

Eidolon 4: Siren Jolts the Laconic Lion

When "Death Proof" takes effect, additionally restores HP equal to 10% of this unit's Max HP.

Eidolon 5: War Chisels Flesh of Flame

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

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

Eidolon 6: Legacy Scales Mound of Blood

When entering battle, immediately enter the "Vendetta" state, and the Charge required for "Godslayer Be God" is lowered to 100 points.

 

Conclusion

Mydei’s leaked skill kit offers a promising preview of the explosive potential he’ll bring to the table in Honkai Star Rail 3.1. With his high-risk, high-reward playstyle, Mydei will be a must-have for players who love big damage and playing with their HP.

Ready to pull for Mydei and power up your team? Make sure you’re prepared with the best deals by heading over to LDShop for Honkai Star Rail top-up needs. Don’t miss out on maximizing your pulls and getting a head start with Mydei!

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