Why can't I grind my three Purple Shields?
Yes, that seems to be the case. Swapping out the Legendary-derived Purple for one derived from Blues made it work.
And that Legendary Purple can be ground with actual Orange Legendaries.
Yes, that seems to be the case. Swapping out the Legendary-derived Purple for one derived from Blues made it work.
And that Legendary Purple can be ground with actual Orange Legendaries.