DOMINATION

Electrocute- this helps vi with burst kind of like her W

Sudden Impact- For her Q and R too engage and get MP and lethality

Eyeball Collection- For extra AD, so keep ganking and killing control wards around the map

Ingenious Hunter- As Vi the one problem I have is my abilities being on CD, so this will give you CD for each unique take down so be sure to kill every champ

PERCISION

Triumph- As Vi you want to be a bit tanky but if your going to tower dive with about half health and you get low after the kill this helps u survive

Legend: Alacrity- This with help you get your electrocute off with more attack speed

Smite- Do i have to explain this

Teleport- The one problem i have as Vi when I use flash is that i can't get to top lane when I'm bot lane, So instead of flash I use teleport so i can go from bot to top easily for a gank

Start with your W for an easy start to JG, then go E for clearing something like wolves or raptors pretty early then go with Q for the early engage on ganking.

After max out your Q, then E, then W and upgrade R every time you can.