I have the shader equipped on my armor but its not in my collection to reacquire. I have the gift of the nine shader in my collection but not honors of the nine
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Shaders had to be in your inventory after the release of Warmind to be included in Collections. Shaders equipped on gear are not recognized for Collection unlock. So if the only copy of that shader you e had since Warmind is the one equipped on the gear then that is why it’s not available in Collections.