For example: Suros Regime catalyst found by earning victory in the Crucible. My ❓ is... do I need to USE Suros in Crucible to get caty, or will it just randomly drop on its own? I don't Crucible unless I have to, so I'm not there 24/7.
[spoiler]I hate Crucible lol[/spoiler]
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Random drops. Helps to clear any backlog of uncompleted catalysts you already have. Iron banner seems to have high drop rates