Mashima, Hiro
Summary: Just as the S-class wizard test gets underway, everything goes wrong! Grimoire Heart launches a surprise attack on Fairy Tail. But the guild is just collateral damage -- their real goal is much more sinister. At the vanguard of the invasion force is Grimoire Heart's master, Hades... a man who only respects power, and has a history with Makarov!
Format: text
Publisher / Publication Date: Kodansha Comics 2013