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Power Fist to Gauntlets of Ultramar
The Power Fist evolves when it is level 8 and Codex Astartes is level 6, then an evolution chest is opened. The result is the Gauntlets of Ultramar. Weapon notes tag that result as a bane of the Norn Emissary.
A high catalyst level, on purpose
Most passives evolve a gun from level 1. Codex Astartes does not. Its row asks for level 6, and the passive's own ceiling is also level 6: plus two attacks, minus 25 percent Corruption, and plus three Redeployment. You are maxing the book, not tucking a level-1 copy into a pocket.
Chapter Master Marneus Calgar is the champion who starts with the Power Fist. He is a rescue on Death World Invasion, which itself sits late in the 40K stage chain, so this is not a first-map project unless the fist drops as a random level-up earlier.
Spelling: TheGamer's table once printed Gauntlets of Ultamar. atma.gg and the Field Guide print Gauntlets of Ultramar. I use Ultramar and keep the typo as a note, not as a second item.
The fists are described as a pair plus a projectile spray. If the goal is the Norn fight on Imperial Bastion, Death World Invasion, or Desert Wasteland, this is the published counter weapon. Clearing the brood still matters; the tag is not a skip button, and hit points for that beast are not public.
| Field | Published detail | Status |
|---|---|---|
| Universe | Warhammer 40,000 | 3 sources |
| Base weapon | Power Fist | 3 sources |
| Catalyst | Codex Astartes | 3 sources |
| Catalyst level | 6 | 3 sources |
| Result | Gauntlets of Ultramar | 3 sources |
| Result type | Evolution | 3 sources |
| Effect | Two fists that smash enemies and spray projectiles. | 3 sources |
| Boss counter | Norn Emissary | 3 sources |
| How it is obtained | Max Power Fist to Lv 8, hold Codex Astartes at Lv 6+, then open a chest with an evolution slot. | 3 sources |
Questions
What level does Codex Astartes need?
Level 6. The Power Fist itself needs level 8.
Who starts with the Power Fist?
Chapter Master Marneus Calgar.
Which boss is named on this result?
The Norn Emissary, via the bane tag on the Gauntlets of Ultramar.
Sources
- atma.gg evolution databook — checked 2026-11-12
- TheGamer, 40K evolutions — checked 2026-11-12
- Field Guide weapon evolutions — checked 2026-11-12
- atma.gg passives — checked 2026-11-12