Natsu, after being beaten by Erza for the umpteenth time, take a walk to think of a new strategy. During his walk, he meets a weird, old, man who offers to teach Natsu a new technique to beat Erza. Yet, how will Erza react when Natsu uses this technique on her and how will it affect her relationship with Natsu? Slight crossover and home for Natsu/Crack ideas.