Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
ok this is solo valdimir build.
pros and cons
-getting life Steal so letting him to stay in the lane.
-epic in team Fights.
-hard to deal with stunners
-can die quickly in team fights if not useing right.
spam your Transfusion skill on minions on erly game for Farming.
your Sanguine Pool skill is very useful for escaping from Ganks; but have big Cooldown so use it carefuly.
try to not start ateam fight try more come in the mid and own evry one with your Transfusion skill and ulti.
thats it enjoy it.