★★★★ · Catalyst · <span class="t" style="--tier:#ffbf7f" title="Consensus tier">S</span> tier
Support: S
A dully gilded catalyst secretly guarded in the Blackcliff Forge. It seems to glow with the very light from the sky.
Best characters for Prototype Amber the characters whose build guides rank it highest
What the tier lists say about Prototype Amber
S tier in the consensus (score 80). The sources disagree: GameWith rates them A but Game8 SS.
| Game8 | SS 100 points · Support SS |
|---|---|
| GameWith | A 60 points · Support A |
Stats Lv. 1 → 90
- Base ATK
- 42 → 510
- HP
- 9.0% → 41.3%
Passive: Gilding
R1One copy of the weapon
Using an Elemental Burst regenerates 4 Energy every 2s for 6s. All party members will regenerate 4% HP every 2s for this duration.
R22 copies · 1,000 Mora
Using an Elemental Burst regenerates 4.5 Energy every 2s for 6s. All party members will regenerate 4.5% HP every 2s for this duration.
R33 copies · 2,000 Mora
Using an Elemental Burst regenerates 5 Energy every 2s for 6s. All party members will regenerate 5% HP every 2s for this duration.
R44 copies · 4,000 Mora
Using an Elemental Burst regenerates 5.5 Energy every 2s for 6s. All party members will regenerate 5.5% HP every 2s for this duration.
R55 copies · 8,000 Mora
Using an Elemental Burst regenerates 6 Energy every 2s for 6s. All party members will regenerate 6% HP every 2s for this duration.
Each extra copy of the weapon raises the refinement by one, up to R5.
Prototype Amber ascension materials Lv. 1 → 90
×3Mist Veiled Lead Elixir
×9Mist Veiled Mercury Elixir
×9Mist Veiled Gold Elixir
×4Mist Veiled Primo Elixir
×10Firm Arrowhead
×15Sharp Arrowhead
×18Weathered Arrowhead
×15Mist Grass Pollen
×18Mist Grass
×27Mist Grass WickPlus 150,000 Mora.















