Summoners, we are aware of an issue where the Summoner Sigil's Golden Circle Quest is not available to all players. We are continuing to investigate this. We will be sure to compensate for any missed Gold once we have fixed the issue.
I completed Act 5 with only the first 2 chapters 100%. I used Stealth Spidey, Warlock, QUAKE, Sunspot, Proxima/Magik based on paths I took for completing Act 5. My current top champs and 5* roster is as below: