Challenge idea number one
Naruto meets an old man who naruto discovers is a weapon master
Now naruto will take the ninja world by storm as the dual wielding weapon master
Pairing naruto and either hinata or anko
Naruto either uses a set of incrediabley heavy 100 pound machetes
A pair of double edged sycthes
Or a pair of 100 pound ninjatos
Alternativly naruto may use all three sets of weapons