AceTheHonoredOne
Shadow clone can easily knock out some base line humans with genjutsu or just kneoxk them out directly by taijutsu with the element of surprise. The mc has knowledge and experience of minato so he should be able to plan easily without risking himself, his family or innocent bystanders. Minato is one of the most intelligent kage up their with tobirama, he craated a jutsu based on tailed beasts, sealed a chakra beast that can fire nuclear blasts evry few seconds, can fight hand to hand woth 4th raikage and his brother which can give gai a run for his money without his 8 gates. The sheer intelligence and tactics, he was siad to have killed a 1000 iwa shinobi in one battle with a kunai and rasengan. His strategies and outwitting oppoents like shield and hydra and the hand and ten rings should be on low to mid difficulty. dealing with mystics, eternals, deviants, celestials, aliens are more minatos ball game. the power level woold just work that way. His odama rasengan could destroy a city block with ease. For wepons training there are other ways, kenjutsu, fencing etc or even using nunchuks and throwing knives. Basic jonin woll know how to use most weapons. you can imprvise and use rope like ninja wire, throwing knives for shuriken and kunai, switch blade as handheld kunai, knuckle dusters (bit like asuma but for taijutsu boost). Good luck