Theorylytics
Thoma
PyroPolearmInazuma★★★★

Thoma

Published Jul 17, 2026 · Updated v6.7
Content Tier List
Spiral AbyssB
Imag. TheaterB
OverworldA
Should You Pull?YES

Thoma is a niche Pyro Shield Support; consider pulling only if you want this specific playstyle.

Thoma is a 4-star Pyro Polearm user in Genshin Impact that primarily focuses as shielder but can also contribute great damage to Burgeon teams. Read our detailed Thoma guide to optimize their performance.

PolearmPyroShield Support

Overview

Quick Build

Weapon

Kitain Cross Spear

Kitain Cross Spear is therefore Thoma's best weapon in a Burgeon build. Favonius Lance is also a great option for Thoma

Artifacts

Flower of Paradise Lost

4-Piece recommended

Sands

Energy Recharge / Elemental Mastery

Main stat

Goblet

Elemental Mastery

Main stat

Circlet

Elemental Mastery

Substats

Energy Recharge > Elemental Mastery > HP % > HP

Strengths

  • Strong Pyro damage
  • Versatile team options

Weaknesses

  • Requires investment
  • Best teams use limited 5-stars

Talent Priority

1
Elemental SkillPriority: Max (10)

Primary source of damage or support. Level to 10 first.

2
Elemental BurstPriority: High (8-10)

Important for damage or support value. Level second.

3
Normal AttackPriority: Low (1-6)

Lowest priority. Level last or skip unless you have spare resources.

Substat Priority

1Sands
2Goblet
3Circlet
4Substats
Thoma Standard Rotation
Standard

Cast Skill then Burst each rotation.

See build guide

Follow the recommended rotation for optimal Thoma performance.

Weapons

5-star Weapons

1
Kitain Cross Spear

· Base ATK 0

4-star Weapons

2
Favonius Lance

· Base ATK 0

3
Dragon's Bane

· Base ATK 0

4
Moonpiercer

· Base ATK 0

5
Black Tassel

· Base ATK 0

6
Rightful Reward

· Base ATK 0

Artifact Sets

Flower of Paradise Lost
SFlower of Paradise LostBest in Slot

Flower of Paradise Lost is Thoma's best artifact set with this build.

Sands

Energy Recharge / Elemental Mastery

Goblet

Elemental Mastery

Circlet

Elemental Mastery

Gilded Dreams
AGilded Dreams

Recommended artifact set for this build.

Sands

Energy Recharge / Elemental Mastery

Goblet

Elemental Mastery

Circlet

Elemental Mastery

Team Compositions

Kinich

Kinich

Main DPS

Emilie

Emilie

Support

Bennett

Bennett

Support

Thoma

Thoma

Sustain

Thoma is a great addition in both Burning and Burnmelt teams, for example using characters such as Kinich and Wriothesley. Thoma has great synergy with Bennett alongside providing addition Pyro application for Emilie.

Character Synergy
Kinich
KinichMain DPS

Kinich serves as the primary damage dealer, utilizing his Skill's loop shots to trigger high-frequency Dendro application and damage that scales with the Burning status.

Emilie
EmilieSupport

Emilie provides massive off-field damage that increases when enemies are Burning, making her the premier Sub-DPS for maintaining the high aura uptime Kinich requires.

Bennett
BennettSupport

Bennett provides the essential ATK buff to maximize Kinich's damage while enabling Pyro Resonance and providing emergency healing to sustain the Burning self-damage.

Thoma
ThomaSustain

Thoma provides a consistent Pyro shield to protect Kinich during his mobile Skill duration and contributes coordinated Pyro attacks to ensure the Burning reaction never drops.

Talents & Constellations

Talents

Normal AttackNormal Attack

Thoma performs a sequence of Polearm-based Normal Attacks.

Normal Attack
Elemental SkillBlazing Blessing

- Deals Pyro DMG while applying a shield that lasts for 8 seconds. - Because it applies Pyro to Thoma, it can be used to cleanse other effects. - Shields stack on to shields created by Crimson Ooyoroi.

Elemental Skill
Elemental BurstCrimson Ooyoroi

Deals Pyro DMG from the front of your active character when Normal Attacks occur. This also generates a Blazing Barrier shield and is how you mainly stack shields.

Elemental Burst

Constellations

1
C1
2
C2
3
C3
4
C4
5
C5
6
C6
C1A Comrade's Duty

Lowers the cooldown on Blazing Blessing and Crimson Ooyoroi by 3s if attacked. This lowers the Skill to 12s and the Burst to 17s.

Is it worth getting?

Decent early constellation. Useful quality-of-life improvement.

C2A Subordinate's SkillsPull Target

Simply increases the duration of Crimson Ooyoroi by 3s.

Is it worth getting?

Strong constellation meaningful power increase worth targeting.

C3Fortified Resolve

- Increases the Level of Blazing Blessing by 3. - Maximum upgrade level is 15.

Is it worth getting?

Situational improvement. Worth it once you have earlier constellations.

C4Long-Term Planning

Restores 15 Energy when Crimson Ooyoroi is used.

Is it worth getting?

Situational improvement. Worth it once you have earlier constellations.

C5Raging Wildfire

- Increases the Level of Crimson Ooyoroi by 3. - Maximum upgrade level is 15.

Is it worth getting?

Situational improvement. Worth it once you have earlier constellations.

C6Burning HeartPull Target

When you gain or refresh a shield, increase the DMG of party members attacks by 15%.

Is it worth getting?

Major constellation that significantly changes the character. Recommended for dedicated mains.

C0 Thoma is solid and clears all content without any constellations.

Alternatives to Thoma

Not sure Thoma is right for you? Compare against other characters to find your best pull.

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