Приоритет статов:

Strength > Multistrike >= Mastery > Crit > Versatility > Haste

Stat Summaries

Strength
Strength increases your attack power and the damage dealt by your abilities.

Multistrike
Multistrike grants a chance for your spells and abilities to activate up to 2 additional times at 30% effectiveness. As Unholy,Necrosis provides additional Multistrike rating and adds additional Shadow damage to the Mulistrikes done by key abilities likeScourge Strike and Festering Strike.

Mastery
Mastery provides a passive bonus to your character based on your specialization. Mastery: Dreadblade increases all Shadow damage dealt, which increases the damage of core abilities like Scourge Strike, Death Coil, and Soul Reaper.

Crit
Critical Strike increase the chance for your spells and attacks to critically hit for additional damage and healing.

Versatility
Versatility increases your damage, healing, and absorption done and decreases damage received.

Haste
Haste increases attack and spell casting speed, adds additional damage and healing to DoTs and HoTs, and reduces the GCD. Also, Haste increases your Rune regeneration speed.