Just linking these related threads for the moment.
I’m not merging this for now, while seeing how the discussion develops — combining ideas into one thread is always tricky for consolidating voting and support, so I’m waiting to see if this develops into support mostly for one idea, or if the two ideas together are a required element of the proposal.
Old similar post that didn’t get much traction: [Master] Leader to Keep / Lock Titans at a specific Difficulty (Star / Rating) or below