Chroma Flux takes the third slot in the Mastery progression, and it’s the point where the Co-op grind becomes seriously heavy.
It comes after Moonstone and serves as the last major step before Genesis, increasing the requirements and pushing players deeper into Endgame.
Instead of broad class progression like Molten Gold and Moonstone, Chroma Flux targets Endgame’s highest-tier enemies and gives every weapon its own strict task.
How Do the Requirements Work for Chroma Flux?
Chroma Flux won’t unlock the moment a single gun reaches Moonstone, since the game requires the whole class to hit that tier first.
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That means every one of the 30 launch weapons needs to complete its Military camos, its three Special camos, the 20-Special-enemy requirement for Molten Gold, and the 100 Zone III/IV kills required for Moonstone.
Only when all thirty guns have earned Moonstone does the Chroma Flux challenge unlock for the weapon you’re currently targeting.
It’s an account-wide gate that ensures you’ve pushed every weapon through the first two Mastery tiers before moving forward.
How Do You Finally Unlock Chroma Flux?
When all thirty guns hit Moonstone, the game reveals the Chroma Flux objective, which asks for ten Elite eliminations in Endgame with the weapon you’re using.

Elites are the highest-tier units in the mode, tougher than regular Specials and usually found in late-zone events or high-threat patrols.
The counter only progresses when the weapon you’re grinding lands the final blow, so kills from streaks, explosives, gadgets, or secondary weapons won’t count.
The most reliable approach is to build up your Combat Rating in Zones I and II, then move into Zones III and IV, where Elites spawn more frequently.
Running predictable routes or triggering difficult world events will surface enough Elite enemies for you to complete the challenge in a focused session.
Once you secure all ten Elite kills with that weapon, its Chroma Flux camo unlocks in the Co-op mastery menu.
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