Hey there, they are Year 1 non-universal ornaments, they were designed to go on the Iron Truage set only, they still work like this, they can be added to that set and some other Iron Banner pieces automatically without synthweave. In Season of the Lost, these old ornaments were added to the transmog system and could be converted to universals. So anyone with prestige IB, Crucible, Strike, Trials of the Nine and Leviathan ornaments from Year 1 could do this. The only thing that has really changed since then is that for the first time ever since 2018, these ornaments have been re-released. However I have heard one tip. Applying the ornament to an Iron Truage IB piece (will work on some other old IB pieces too), will make it universal for other pieces without needing synthweave. Iron Truage pieces can be picked up from Saladin's legacy focusing.