Varus , The Arrow of Retribution - Skills
*Living Vegeance(Passive) - On kill or assist, Varus gains 40% Attack Speed for 6 seconds
On minion kill Varus gains 20% Attack Speed for 3 seconds.
*Piercing Arrow - First Cast: Varus starts drawing back his next shot, gradually increasing its range and damage
Second Cast: Varus fires, dealing 10/43/77/110/143 (+) to 15/65/115/165/215 (+) physical damage, reduced by 15% per enemy hit (minimum 33%)
While preparing to shoot Varus' Movement Speed is slowed by 20%. After 4 seconds, Piercing Arrow fails but refunds half its mana cost.
*Blighter Quiver - Passive: Varus' basic attacks deal 10 (+) bonus magic damage and apply Blight for 6 seconds (stacks 3 times)
Varus' other abilities detonate Blight dealing magic damage equal to 2/2.8/3.5/4.3/5% (+0.01%) of the target's maximum Health per stack (Max 360 total damage vs Monsters)
*Hail of Arrows - Varus fires a hail of arrows that deals 60/100/140/180/220 (+) physical damage and desecrates the ground for 4 seconds.
Desecrated Ground slows enemy Movement Speed by 20/24/28/32/36% and reduces healing effects by 50%.
*Chain of Corruption - Varus flings out a tendril of corruption that deals 150/250/350 (+1) magic damage and immobilizes the first enemy champion hit for 2 seconds.
The corruption then spreads towards nearby uninfected enemy champions, applying the same damage and immobilize if it reaches them.
Sources:LoL official forum