Abilities of Vi
Spell skill priority is an important winning factor for Vi. Understanding the abilities of Vi in League of Legends is another. Below you can find all the relevant information on Vi abilities. In order for item builds you should check the build for Vi.
Passive: Blast Shield
Vi charges a shield over time. The shield can be activated by hitting an enemy with an ability.
Vault Breaker
Vi charges her gauntlets and unleashes a vault shattering punch, carrying her forward. Enemies she hits are knocked back and receive a stack of Denting Blows.
e4%.totaldamage and maxdamagetooltip physical damage based on charge time and applying Denting Blows to all enemies hit. Vi stops upon colliding with an enemy champion, and Knocks them Back.
Denting Blows
Vi's punches break her opponent's Armor, dealing bonus damage and granting her Attack Speed.
Passive: Every 3rd Attack on the same target deals an additional totaldamagetooltip max Health physical damage, removes e3% Armor and grants Vi e2% Attack Speed for e4 seconds. It also reduces the remaining Cooldown of Blast Shield by spell.vipassive:cdreductionon3hit seconds.
Relentless Force
Vi's next attack blasts through her target, dealing damage to enemies behind it.
Vi's next Attack deals totaldamagetooltip physical damage to the target and enemies behind them.
This Ability has 2 charges (ammorechargetime second refresh).
Cease and Desist
Vi runs down an enemy, knocking aside anyone in the way. When she reaches her target she knocks it into the air, jumps after it, and slams it back into the ground.
Vi singles out an enemy champion, revealing them and dashing unstoppably towards them. Upon reaching them, Vi Knocks them Up for rstunduration seconds and deals damage physical damage.
Any other enemies Vi collides with are dealt damage, knocked aside, and Stunned for secondarytargetstunduration seconds.
FAQ on Vi
What do you max first on Vi?
Most Vi pros max out 
Vault Breaker first.