These are chat archives for BSData/wh40k
But in the case of allowing all WT and Relics as possible selections in multi-sub-faction detachments, Necrons currently allow it and Amis has stated he wants to do it to tau the next time he works on it
I think I've already done this.
Plasma accelerator rifle is Bork'an-only,
Dynamic mirror field is Dal'yth only.