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| Rarity | (4-Star) |
| Element | Pyro |
| Weapon | Polearm |
| Best Role | Burgeon Trigger / Shielder |
| Stat Priority | EM (Burgeon) / HP (Shield) / ER |
| Tier | A (Burgeon) / B (Shield) |
Thoma is the Housekeeper of the Kamisato Clan and the undisputed king of Burgeon. His slow Pyro application (standard ICD) is a blessing in disguise, as it prevents him from accidentally causing Burning, allowing him to detonate Dendro Cores safely and consistently.
Quick Guide (TL;DR)
If you don't have time for the math, here is the cheat sheet.
- Best Artifact: 4pc Flower of Paradise Lost (Burgeon) or 4pc Noblesse Oblige (Shield Support).
- Best Weapon: Kitain Cross Spear (Burgeon BiS - Craftable) or Favonius Lance (Shield/Battery).
- F2P Weapon: The Catch or Black Tassel (Shield Stat Stick).
- Main Stats (Burgeon): SANDS: ER% or EM | GOBLET: EM | CIRCLET: EM.
- Main Stats (Shield): SANDS: ER% | GOBLET: HP% | CIRCLET: HP%.
- Talent Priority: Elemental Burst > Elemental Skill > Normal Attack (Ignore).
- Top Team: Thoma + Nahida + Xingqiu + Baizhu (Burgeon).
Pro Tip: Thoma's shield STACKS. You must perform Normal Attacks with your active character after casting his Burst to refresh the shield duration and increase its thickness.
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Elemental Skill: Blazing Blessing
- Function: Kicks forward dealing Pyro DMG and generates a shield.
- Particle Generation: Generates 3-4 Particles.
- Self-Cleanse: Applies Pyro to Thoma briefly, which can cleanse debuffs but won't apply to the active character on swap.
Elemental Burst: Crimson Ooyoroi
- Scorching Ooyoroi: The core of his kit. When the active character performs a Normal Attack, Thoma triggers a "Fiery Collapse" (Pyro AoE).
- Shield Stacking: Each Fiery Collapse creates a small shield. These shields stack with the existing shield, refreshing the duration and adding to the HP absorption (up to a cap).
- Burgeon Enabler: The Fiery Collapse happens every 1s. This ICD (Internal Cooldown) means he only applies Pyro every 3 hits (or 2.5s). This is PERFECT for Burgeon because it triggers the seeds without applying enough Pyro to trigger Burning.
Passive: Imbricated Armor
- Shield Strength: When the active character obtains or refreshes a Blazing Barrier, their Shield Strength increases by 5% for 6s (Max 5 stacks). This encourages the "Stacking" playstyle.
Talent Priority Order:
- Elemental Burst (Level 9+) - Increases damage and shield stacking.
- Elemental Skill (Level 8) - Increases base shield absorption.
- Normal Attack (Level 1) - Useless.
Stat Requirements & ER Thresholds
Thoma is famously energy-hungry (80 Cost Burst). If he doesn't Burst, he does nothing. C4 helps significantly.
| Constellation | With Kitain/Favonius | Without Battery Weapon |
|---|---|---|
| C0 - C3 | 180% - 200% | 220% - 240% |
| C4+ (15 Energy Refund) | 160% - 180% | 200% |
Substat Priority (Burgeon):
- Energy Recharge (Top Priority until Burst is consistent)
- Elemental Mastery (As much as possible)
- HP% (Survivability)
Substat Priority (Shield Bot):
- Energy Recharge
- HP% (Shield Strength)
- CRIT Rate (Only for Favonius Lance)
Best Artifacts Comparison
| Set Name | Role | Reasoning |
|---|---|---|
| 4pc Flower of Paradise Lost | Burgeon (BiS) | Increases Bloom/Burgeon DMG by up to 80%. The strongest set for damage. |
| 4pc Gilded Dreams | Burgeon | Excellent alternative. Gives massive EM (up to 150) based on team comp. Easier to farm. |
| 4pc Noblesse / 2pc HP+HP | Shield Support | Standard support setup. Use Noblesse to buff ATK for Hu Tao/Xiao, or 2pc/2pc for max shield thickness. |
Weapon Rankings
| Weapon | Type | Performance | Description |
|---|---|---|---|
| Kitain Cross Spear (R5) | EM / Energy | S+ (Burgeon) | Craftable Inazuma spear. Gives EM substat AND regenerates 15 Energy passively. Perfect synergy. |
| Favonius Lance | ER% | S (Support) | Best for Shield Bot builds. Solves his energy issues and batteries the team. Requires Crit Rate circlet. |
| Dragon's Bane | EM | A | Highest EM stat stick, but offers no Energy Help. Only use if you have C4 or godly ER artifacts. |
| Black Tassel | HP% | A (Shield Only) | 3-Star HP stick. Use this if you only care about Shield Strength and have enough ER from artifacts. |
Constellation Value
Thoma feels incomplete at C0 due to energy issues. C4 fixes him.
- C1: A Comrade's Duty - (QoL) When a character protected by his shield is hit, Skill/Burst CD is decreased by 3s. Nice, but doesn't fix energy.
- C2: A Subordinate's Skills - (Uptime) Burst duration increased by 3s. This gives him 100% Shield Uptime potential.
- C4: Long-Term Planning - (The Fix) Restores 15 Energy after using Burst. This drastically lowers his ER requirement (from ~220% to ~170%).
- C6: Burning Heart - (Buffer) When obtaining/refreshing shield, Normal/Charged/Plunge DMG is increased by 15% for 6s. Great for Hu Tao/Xiao/Wanderer.
Verdict: C4 is the target. C6 is a nice bonus for support builds.
Top Team Compositions
1. Thoma Burgeon
- Trigger: Thoma (Full EM)
- Dendro: Nahida / Alhaitham
- Hydro: Xingqiu / Yelan
- Flex: Baizhu / Fischl / Kokomi
Why it works: Thoma provides a shield to protect the active character from Burgeon self-damage. His Pyro application is slow enough to avoid Burning, but fast enough to pop seeds efficiently.
2. Hu Tao VV Vape
- Main DPS: Hu Tao
- Hydro: Xingqiu / Yelan
- Anemo: Kazuha / Sucrose
- Shield/Pyro: Thoma
Why it works: Thoma applies Pyro first so Kazuha can Swirl it (reducing Pyro RES). Then Thoma's shield protects Hu Tao. C6 Thoma buffs her Charged Attack damage.
Rotations & Combos
Burgeon Rotation:Nahida E Q > Xingqiu Q E E > Thoma E Q > Driver Normal Attacks
Tip: Always E before Q on Thoma to catch particles during the burst animation.
Frequently Asked Questions
Is Thoma shield strong?
At max stacks, it is the second strongest shield in the game (after Zhongli). However, it starts weak and requires you to Normal Attack to build strength.
Does he steal vapes from Hu Tao?
Generally, no. His ICD prevents him from applying Pyro fast enough to overtake Xingqiu/Yelan's Hydro application. He is safe to use.
Data Source: KQM Standards. Last Updated: December 2025
