Prelude to the Final Battle is the 452nd chapter of Hiro Mashima's Fairy Tail. As Natsu announces that his right arm is a one-time secret weapon against Zeref, Mavis decides to trust him with this and they continue, with Makarov revealing all that he knows about the Spriggan 12. At the same time, Dimaria visits Brandish, letting her know about the meeting with Zeref, where they gather to discuss Fairy Heart and the annihilation of Ishgar. As the two sides plan their strategies, Acnologia decides that he will join the upcoming war.