Performs up to four sword strikes and a forward charged slash.
Cooldown / cost: Charged Attack Stamina Cost: 20.0

Enters Essential Transmutation and branches into Confirmation of Purity or Denial of Darkness states, each changing his burst. In Confirmation of Purity, delivers Pyro strikes and summons a White Flame Dragon for repeated off-field Pyro attacks.
Performs up to four sword strikes and a forward charged slash.
Cooldown / cost: Charged Attack Stamina Cost: 20.0
Enters Essential Transmutation and branches into Confirmation of Purity or Denial of Darkness states, each changing his burst.
Cooldown / cost: CD: 12.0s
In Confirmation of Purity, delivers Pyro strikes and summons a White Flame Dragon for repeated off-field Pyro attacks.
Cooldown / cost: CD: 18.0s; Energy Cost: 70
White Flame enables reaction-linked resistance reduction; Dark Decay instead increases Durin's Vaporize and Melt damage.
His burst grants ten stacks that strengthen subsequent dragon hits based on attack, with a capped bonus.
After Hexerei unlock, two eligible teammates strengthen his first ascension passive's effects without extending duration.
Twenty-hour Mondstadt expeditions yield 25% more rewards.
The burst grants damage-enhancement stacks to teammates in the light form, or to Durin in the dark form.
Requirements / unlock: Constellation 1
After his burst, qualifying Pyro reactions grant nearby allies Pyro and matching-element damage bonuses.
Requirements / unlock: Constellation 2
Adds three talent levels to Principle of Purity: As the Light Shifts, with a maximum level of 15.
Requirements / unlock: Constellation 3
Adds 40% burst damage and a chance not to consume Cycle of Enlightenment stacks.
Requirements / unlock: Constellation 4
Adds three talent levels to Binary Form: Convergence and Division, with a maximum level of 15.
Requirements / unlock: Constellation 5
His burst ignores defense; the light form reduces enemy defense while the dark form ignores an additional portion.
Requirements / unlock: Constellation 6
The dark-form burst deals Pyro area hits and summons a dragon that periodically attacks a single enemy.
Read the Elemental Skill and Burst separately from passive talents and Constellations. A listed Constellation effect should only be included in your plan when unlocked.
GetCheatBeacon's practical checklist for Durin: