They'll also get to test their mettle against SAO enemies such as The Gleam Eyes, The Skull Reaper and The Fatal Scythe.MapleStory is celebrating its tenth anniversary with a great infographic that includes such fun stats as the fact that 2.3 BILLION quests have been completed, over 100 million accounts have been created from around the world and 280,000 guilds have been formed and much more. maplestory mesos. Players taking place in the crossover event will earn special medals and a new familiar. The SAO crossover also extends to the cash shop where SAO themed items like hair, outfits, and facial styles will be available.