Professor Slughorn had no response to my facts. How could he? Anything that would say otherwise would then say that Merlin was needy attention grabbing arsehole. Since I knew the real him, that wasn’t the case. No, it had something to do with this mysterious group tarnishing my legacy. It's entirely possible that he helped bring together Magical Britain. There were many aspects in the Ministry still used to this day that were created from Avalon. 