Fairy Tail 426 see’s plans from Avatar being revealed to the Council when they think Gray is the person leaking it all, when he reveals that his only reason for being there is to find and destroy END. Natsu tells Lucy and Happy about what Future Rogue said, when we also see that Natsu, Lucy and Happy reach the base of Avatar, while Gajeel and Lily, now part of Council, figures that he should try and stop Avatar.