Mydei Build Guide
Best relics, light cones, team compositions & trace priority for Honkai Star Rail 4.0 (February 2026)
📖 Mydei Overview
Mydei is a 5-star Imaginary Destruction DPS scaling on HP. He consumes HP for devastating damage, making him high-risk high-reward. HP drain synergizes with Hyacine Max HP buffs.
Element
Imaginary
Path
Destruction
Rarity
★★★★★
Tier
S+
⚔️ Skills Breakdown
Basic Attack
Deals Imaginary DMG.
Skill
Consumes HP for massive Imaginary DMG.
Ultimate
Consumes HP for massive AoE damage. Enhanced state.
Talent
Damage bonus based on HP consumed.
Technique
HP consumption buffs at start.
🛡️ Best Relics & Planar Ornaments
Relic Sets
🏆 Best in Slot
Longevous Disciple (4pc)
Alternatives
Wavestrider Captain (4pc)
Planar Ornaments
🏆 Best in Slot
Bone Collection's Serene Demesne
Alternatives
Rutilant Arena
🔮 Best Light Cones
🏆 Best in Slot
Mydei Signature LC
Alternatives (ranked)
On the Fall of an Aeon (F2P), The Unreachable Side
📊 Stat Priority & Main Stats
Body
CRIT Rate
Feet
HP%
Sphere
HP%
Rope
HP%
Sub-stat Priority
CRIT Rate > CRIT DMG > HP% > SPD
Target Stats
75%+ CRIT Rate, maximum HP
👥 Best Team Compositions
🏆 Optimal Teams
Alternative Teams
📈 Trace & Eidolon Priority
Trace Upgrade Order
Skill > Ultimate > Talent > Basic Attack
Eidolon Priority
E1 > E2
✅ Pros & Cons
✅ Pros
Extremely high burst damage
HP scaling benefits from Max HP buffs
Strong ST and AoE
Synergizes with Remembrance teams
❌ Cons
Self HP drain dangerous
Needs dedicated healer
HP-scaling limits LC options
💡 Tips & Tricks
Hyacine is best sustain — Max HP buff increases his damage.
Full HP% on feet, sphere, rope.
Bone Collection for CRIT DMG when HP is high.
❓ Frequently Asked Questions
What are the best relics for Mydei?
The best relic set is Longevous Disciple (4pc) paired with Bone Collection's Serene Demesne as the planar ornament. Alternatives include Wavestrider Captain (4pc).
What is the best Light Cone for Mydei?
The best Light Cone is Mydei Signature LC. Good alternatives include: On the Fall of an Aeon (F2P), The Unreachable Side.
What tier is Mydei in HSR 4.0?
Mydei is ranked S+ Tier in our Honkai Star Rail 4.0 tier list as of February 2026.
Is Mydei worth pulling?
As a S+ Tier Main DPS, Mydei is absolutely worth pulling and one of the best investments in the game.