Is Undercity worth doing or still worthless?

[HunterKiller-1780]

My reply in another similar thread.

Undercity is pointless? Or am I doing it wrong?

The tributes that reward ancestral legendary/unique are great in my experience, at least in T4. https://i.imgur.com/ZxwGRch.jpeg https://i.imgur.com/o2GVq9q.jpeg