
Passive
Crimson Pact
Every 30 points of bonus Health gives Vladimir 1 Ability Power and every 1 point of Ability Power gives Vladimir 1.6 bonus Health (does not stack with itself).

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Riot Data Dragon 16.20.1. Base values before items, runes and bonuses; independent of match-data filters.
Base-game reference only. Mode-specific balance changes and augments are not included.
Official short descriptions · Data Dragon 16.20.1
Base-game reference only. Item, rune and mode-specific adjustments are not included.
This reference covers the passive and four ability slots. Alternate forms and full damage calculations are not covered.

Passive
Every 30 points of bonus Health gives Vladimir 1 Ability Power and every 1 point of Ability Power gives Vladimir 1.6 bonus Health (does not stack with itself).

Q
Vladimir steals life from the target enemy. When Vladimir's resource is full, Transfusion will benefit from massively increased damage and healing for a brief time.
Base values from ability rank 1 upward.

W
Vladimir sinks into a pool of blood, becoming untargetable for 2 seconds. Additionally, enemies on the pool are slowed and Vladimir siphons life from them.
Base values from ability rank 1 upward.

E
Vladimir pays his own health to charge up a reservoir of blood which, when released, deals damage in the area around him but can be blocked by enemy units.
Base values from ability rank 1 upward.

R
Vladimir infects an area with a virulent plague. Affected enemies take increased damage for the duration. After a few seconds, Hemoplague deals magic damage to infected enemies and heals Vladimir for each enemy Champion hit.
Base values from ability rank 1 upward.