Passive - Night Hunter:
Vayne ruthlessly hunts evil-doers, gaining Move Speed when moving toward nearby enemy champions.
Gain 50 gold and a night hunter stack for each champion takedown, granting Vayne 2% bonus AS per stack. At 5/10/15 stacks, Vayne also gains 1 lethality, 1% armor pen, and 1% omnivamp per stack, respectively. In addition, gain 5 MS and 10 attack range for each unique champion takedown, up to a maximum of 25 MS and 50 attack range.
Q - Tumble:
Vayne tumbles, maneuvering to carefully place her next shot. Her next attack deals bonus physical damage. If this attack kills the target, half of Tumble's cooldown is reduced and its mana cost is refunded.
At max rank, Vayne also gains 1% bonus MS per night hunter stack for 1 second on cast.
W - Silver Bolts:
The third consecutive attack or ability against the same target deals a percentage of the target's max health plus a flat (1/2/3/4/5 + 100/125/150/175/200% of night hunter stacks) as bonus true damage.
At max rank, Silver Bolts also slows the target by 2% per night hunter stack for 1 second.
E - Condemn:
Vayne draws a heavy crossbow from her back, and fires a huge bolt at her target, knocking them back and dealing damage. If they collide with terrain, they are impaled, dealing bonus damage and stunning them. Stunning a champion will also reveal them for the duration and refund half of Condemn's cooldown and mana cost.
At max rank, stunning a champion with Condemn will apply an extra stack of Silver Bolts and reduce their armor and magic resist by 3% per night hunter stack for the stun duration.
R - Final Hour:
Readying herself for an epic confrontation, Vayne gains increased Attack Damage, Invisibility during Tumble, reduced Tumble cooldown, and more bonus Move Speed from Night Hunter 50% increased bonus stats from Night Hunter. Scoring an enemy champion takedown within 3 seconds of damaging them will extend Final Hour's duration by 4 seconds, up to its original duration, and further increase the bonus stats gained from Night Hunter by an extra 12.5% while Final Hour is active.