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Thus Burns the Dawn
Honkai: Star Rail · Light Cone

Thus Burns the Dawn

SPD and Ultimate-triggered Destruction damage Light Cone

Introduced in v3.4

Thus Burns the Dawn grants base SPD and DEF ignore whenever the wearer deals damage. After the wearer uses Ultimate, they gain a large DMG bonus that lasts until the start of their turn. Consider it for a Destruction wearer who can capitalize on the brief post-Ultimate window.

PathDestructionRarity5
Thus Burns the Dawn GUIDE

Understand Thus Burns the Dawn

Useful when…

  • A wearer who values SPD and DEF ignore on damage.
  • A wearer whose attacks can take advantage of the brief period after using Ultimate.

What are the main bonuses?

At S1 the wearer's base SPD increases by 12, and their damage ignores 18% of the target's DEF. After using Ultimate, the wearer gains Blazing Sun, increasing their DMG dealt by 60%; the effect is removed at the start of their turn. At S5, the corresponding values are 20 base SPD, 36% DEF ignore, and 132% increased DMG during Blazing Sun.

How should the timing affect use?

Blazing Sun's duration is defined by the start of the wearer's next turn, so it is a short timing window rather than a multi-turn buff. The unconditional SPD and DEF ignore remain separate from that window. Consider the Ultimate's timing relative to the wearer's subsequent damage when judging how much value the temporary bonus provides.

Improvement tradeoff

Promotion raises the Light Cone's level. Superimposition increases SPD, DEF ignore, and Blazing Sun's damage bonus. Each listed superimposition step consumes another copy. The core effects already function at S1, so the copy investment buys larger numerical bonuses rather than changing the stated triggers or duration.

Compare different damage conditions

A Secret Vow gives general DMG plus an extra bonus against enemies whose HP percentage is at least the wearer's. A Thankless Coronation gives CRIT DMG and Ultimate-triggered ATK with a further condition for wearers whose Max Energy is at least 300. A Trail of Bygone Blood provides CRIT Rate and Skill and Ultimate DMG. Their benefits have distinct conditions; none should be treated as a direct match for this cone's SPD, DEF ignore, and short Ultimate window.

Limitations and tradeoffs

  • Blazing Sun ends at the start of the wearer's turn, so its bonus window is brief.
  • Each higher superimposition consumes another copy.

Common mistakes to avoid

  • Treating Blazing Sun as a multi-turn buff; it ends at the start of the wearer's turn.
  • Overlooking that the SPD bonus is to base SPD, while the listed DEF ignore applies when dealing damage.

Effects and reference details

Dispossession · Superimposition

The passive activates only on a wearer following Destruction. Each additional rank uses a duplicate or its designated special material.

S1 The wearer's base SPD increases by 12. When dealing DMG, ignores 18% of the target's DEF. After the wearer uses Ultimate, gains "Blazing Sun," which is removed at the start of the turn. While holding "Blazing Sun," increases the wearer's DMG dealt by 60%.

S2 The wearer's base SPD increases by 14. When dealing DMG, ignores 22.5% of the target's DEF. After the wearer uses Ultimate, gains "Blazing Sun," which is removed at the start of the turn. While holding "Blazing Sun," increases the wearer's DMG dealt by 78%.

S3 The wearer's base SPD increases by 16. When dealing DMG, ignores 27% of the target's DEF. After the wearer uses Ultimate, gains "Blazing Sun," which is removed at the start of the turn. While holding "Blazing Sun," increases the wearer's DMG dealt by 96%.

S4 The wearer's base SPD increases by 18. When dealing DMG, ignores 31.5% of the target's DEF. After the wearer uses Ultimate, gains "Blazing Sun," which is removed at the start of the turn. While holding "Blazing Sun," increases the wearer's DMG dealt by 114%.

S5 The wearer's base SPD increases by 20. When dealing DMG, ignores 36% of the target's DEF. After the wearer uses Ultimate, gains "Blazing Sun," which is removed at the start of the turn. While holding "Blazing Sun," increases the wearer's DMG dealt by 132%.

References and version

Game data version: 4.6.0

Thus Burns the Dawn — Honkai: Star Rail Wiki ↗honkai-star-rail.fandom.com ↗
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