Nirvana has been activated once again! In order to stop it, Natsu and Happy show up in front of Brain, but one of Oracion Seis, Cobra, stands in their way. Natsu and Happy vs. Cobra and his poison snake Cubellios in a giant mid-air battle! With all his attacks being "heard", nothing Natsu tries seems to work. But the shocking truth about Cobra may lead to the final blow!