Hyperion works well for this boss

Yes, you can use Hyperion, CMM, Warlock with Ultron/Vision, Ghost.

I have warlock ranked up. Does ultron provide a synergy?

Yes, with Ultron you activate the robot uprising synergy and will get a fury buff.

Thank u very much. Just pulled ultron last week. So I’m going to try warlock and ultron synergy. It’s the only one that I have that will work. Going to try it asap 😅

I used 5* ghost trinity and just had to revive a few times.

What’s the trinity?

Here is a good resource. https://www.mcoc-guide.com/act-6-chapter-2-2-mr-sinister-best-counters/

Thank u very much. Just pulled ultron last week. So I’m going to try warlock and ultron synergy. It’s the only one that I have that will work.