Outbreak Perfected can be debated because of the weapon technically being a modified warmind gun with SIVA, but Sleeper Simulant TOTALLY counts as a warmind weapon and should be able to generate warmind cells. Sleeper kinda sucks right now, so this would be an easy and cool way to make it better.
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and while you're at it, please buff sleeper just a teeny weeny would be nice, its been shit for like 2 years now