Unholy Death Knight PvE Stat Priority - 7.2.5
The below Stat Priority recommendation is based on a mix of SimulationCraft, spreadsheets, in-game testing and through collaboration with other players. Understanding the priority will help you make decisions on which gear to use and how to optimize it, helping improve your overall DPS performance.
Strength > Mastery > Haste > Crit = Versatility
Strength increases your attack power and the damage dealt by your abilities.
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 and Death Coil
Haste increases attack and spell casting speed, adds additional damage and healing to DoTsA spell or ability that does damage over time. and HoTsA spell or ability that heals over time., and reduces the GCDA universal cooldown activated by most abilities.. Also, Haste increases your Rune regeneration speed.
Critical Strike increase the chance for your spells and attacks to critically hit for additional damage and healing.
Versatility increases your damage, healing, and absorption done and decreases damage received.
Strength [9.04] > Mastery [7.54] > Haste [6.04] > Crit [4.54] = Versatility [4.54]
( Pawn: v1: "PvE-Death_Knight-Unholy-Noxxic": Class=DeathKnight, Spec=3, CritRating=4.54, MasteryRating=7.54, Strength=9.04, HasteRating=6.04, Versatility=4.54)