Who gets the Flashbulb effect from The Flashbulb Mystery?

Only Witness characters: Argos, Cynthia II and Grimm in the current roster. None of our build pages pick it yet, so on anyone else it only adds its 4,233 HP and 423 ATK at Lv. 80.

Is it worth getting duplicates of The Flashbulb Mystery?

Each duplicate raises its Resonation Tier by one, up to Tier 5. From Tier 1 to Tier 5 its scaling values go from 12.5 to 25 and 10 to 20. At Tier 5 it reads: "The character using this Motive gains 25% Ultimate Charge Efficiency. Upon unleashing an Ultimate, the Amplitude Coefficient of all characters on the team is increased by 20% for 40s."

How strong is The Flashbulb Mystery at Lv. 80, and what does it cost?

4,233 HP and 423 ATK, 11th highest ATK among the 17 four-star Motives (shared with 4 others). Reaching Lv. 80 takes 21,500 Ounce, 10 Witness's Instinct, 7 Witness's Insight, 7 Witness's Challenge and 14 Witness's Legacy.

The Flashbulb Mystery

Updated 1 November 2026 · 4-star · Witness · 423 ATK at Lv. 80

The Flashbulb Mystery is a 4-star Witness Motive (weapon) in Silver Palace, with 423 ATK and 4,233 HP at Lv. 80. Its Flashbulb effect at Tier 1: The character using this Motive gains 12.5% Ultimate Charge Efficiency. Upon unleashing an Ultimate, the Amplitude Coefficient of all characters on the team is increased by 10% for 40s. Only Witness characters get it: Argos, Cynthia II, Grimm.

Stats by level

Lv. 1 to 80

LevelLv. 80

Base HP

4,233Lv. 80

Lv. 1 · 192×22.0 from Lv. 1

Base ATK

423Lv. 80

Lv. 1 · 19×22.3 from Lv. 1

Max level in the beta files.

Flashbulb effect

Resonation Tier 1 to 5

One copy

The character using this Motive gains 12.5% Ultimate Charge Efficiency. Upon unleashing an Ultimate, the Amplitude Coefficient of all characters on the team is increased by 10% for 40s.

Each duplicate raises the Resonation Tier by one. Only Witness characters get this effect: Argos, Cynthia II and Grimm.

Breakthrough materials

Six breakthroughs, Lv. 20 to 70

Lv. 20
- ×3
1,000Ounce
Lv. 30
- ×7
1,500Ounce
Lv. 40
- ×7
2,000Ounce
Lv. 50
- ×7
3,000Ounce
Lv. 60
- ×5
4,000Ounce
Lv. 70
- ×9
10,000Ounce
Total
- ×10
- ×7
- ×7
- ×14
21,500Ounce

Books in the total, left to right: Witness's Instinct, Witness's Insight, Witness's Challenge, Witness's Legacy. Where they drop is on the Motives page.

In the database

One of 7 Witness Motives, 3 of them 4-star.
Its 423 ATK at Lv. 80 sits inside the four-star range of 370 to 476.

Lore

Lips can fabricate testimony, and pen and paper can invent an entire case. Yet truth often hides in the unnoticed rhythms of everyday life. So Grimm raised his camera, focused the lens, and let it bear witness.
In the corners where the light of the Argent Strand cannot reach, the deeper the shadow, the brighter the flash.

Data compiled from the Dichotomy beta game files, checked 1 November 2026. Launch is 14 December 2026 (UTC+8), and names and numbers can change before then.

Frequently asked questions

3 answers, always open

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Who gets the Flashbulb effect from The Flashbulb Mystery?: Only Witness characters: Argos, Cynthia II and Grimm in the current roster. None of our build pages pick it yet, so on anyone else it only adds its 4,233 HP and 423 ATK at Lv. 80.
Is it worth getting duplicates of The Flashbulb Mystery?: Each duplicate raises its Resonation Tier by one, up to Tier 5. From Tier 1 to Tier 5 its scaling values go from 12.5 to 25 and 10 to 20. At Tier 5 it reads: "The character using this Motive gains 25% Ultimate Charge Efficiency. Upon unleashing an Ultimate, the Amplitude Coefficient of all characters on the team is increased by 20% for 40s."
How strong is The Flashbulb Mystery at Lv. 80, and what does it cost?: 4,233 HP and 423 ATK, 11th highest ATK among the 17 four-star Motives (shared with 4 others). Reaching Lv. 80 takes 21,500 Ounce, 10 Witness's Instinct, 7 Witness's Insight, 7 Witness's Challenge and 14 Witness's Legacy.