Guild Master's Meeting Building is Destroyed

Guild Master's Meeting Building is an event during the Lullaby arc where during the battle between Lullaby and Team Natsu the Guild Master's Meeting Building was destroyed.

Prologue
Natsu still excited from his victory over Erigor the rest of the Team Natsu arrives along with Kageyama. They drop their guards while they are congraulating Natsu. Kageyama seeing this as a perfect opputuinity steals Lullaby and their vehicle planing to complete the plan that Erigor started. As he is about to play the flute for Makarov at this point Erza, Natsu, Gray, Lucy and Happy arrive but are stoped by other Guild Master's who tell to wait and Makarov talk to Kageyama. After talking with Makarov, Kageyama decides not to play the flute and everybody thinks all is well until, a strange mist starts to come out of the flute and a giant demon appears and the battle begins.

Synopsis
The battle begins with Erza, Gray and Natsu attacking Lullaby afflicting damage to the demon. After that the Demon tries to play Lullaby but with no luck since Natsu, Erza and Grays attacks before punched more holes in it enabling it unable to play. Seeing there chance Erza, Natsu and Gray Combine there attacks and defeat Lullaby but not without crushing Guild Master's Meeting Place in the process.

Aftermath
Once the Guild Master's realized what Fairy Tail has done to their Meeting Building they chase and try to capture the Fairy Tail memebers.