@Morgoth hello there! Are you going to continue to keep track of which past HOTM will be featured in the Atlantis summon portal? I just saw your image and wonder if it would be a nice thing to track it inside one post as that would give a clear overview. Since you have initially started tracking them, I would suggest you to keep using the illustration and update it inside this or your own thread! Nice work.
Depending on your thoughts we can see what needs to be done with this thread.