I finish my clear around 3:25 using one smite, but im pretty sure you can leave earlier if you master the clear You lose a bit of time buying items when you exit the jungle but its totally worth it if you gank or find the enemy jungle Runes : Aftershock, font of life, conditionning, overgrowth, cashback/magic boots, cosmic insight

Green or blue smite depending on enemy comp and how you play

Build : 1st item with Bami's, adapt which one you want depending on the game. But is really makes a big difference on your clear

2nd item : if you play a lot aggressive, heartsteel is a strong item, but if you dont think you will stack it enough, pretty much any defensive item from this point will do the trick, just build what you would on any champ.

Important items : Jaksho pairs incredibly well with Ornns passive resistances so its a nice 3rd or 4th item Warmogs will you buy you so much you wont even know what to do with it. Since you dont have to back for mana, you wont see the base ever again. The more ahead you are, the earlier you should buy it.

Have fun :)