PoE will be running a competitive Flashback Event from May 5th until May 29th. It will run in parallel to the Bestiary League which will also be enabled on the event so that you can continue your challenge progression there. The event will include rotating mods from 11 popular past PoE leagues. There are microtransactions, Mystery Boxes, Demigod's Dominances and bragging rights up for grabs! Here is more.