This is just a Nocturne build for jungling its is simple once you get the hang of it runes masteries and summoner skills section you should chose w.e. you like i just get that most of the time
And its a cheap guide because first timer and to lazy to do rest
Im sorry for such a short guide

just go for the pure dps masteries and armor on then rest

Start off with either cloth and potions or lifesteal item then wrrigles lantern then attack speed boots or mercury treads then dagger bf sword black cleaver phage frozen mallet atmas blood thristers and finally wits end (sell wriggles lantern)

I really dont Care what u get Smite and Flash is recommend from me

I say start with Wolfs then Wraiths golems
Or have someone leash blue buff for you which helps a lot because nocturne mana usage at the beginning all crazy but nothing compare to warwick

For gank wait till lvl 6 or lvl 3 if double jungling (really works)
let them push then Ulti then they dead but don't do it if they have a lot of life '
Which is obvious

the only cons i have are the problem with mr at the beginning but if they have to many ap champions get wits end earlier and also soft and beggining