But he's also END and he is very op. Think about it, natsu is overpowered and very protective of his nakama. Some people say overly so, but what if its to create contrast for when END takes over and Natsu goes away?
Fairy Tail, lucky Lucy, Natsu and Gray ran to her rescue! *_* what scares me though as a nalu shipper, is that matsu was bend on revenge as gray was making sure that Lucy was OK. I know that natsu is like that but still.