Our secondary stats are the following. However, bear in mind that stats can differ per player based on your gear, please sim yourself.
Mastery: Increases the shadow damage you deal through Mastery: Frozen Heart.
Critical Strike: Increases critical damage chance.
Versatility: Increases damage dealt, healing done and reduces damage taken.
Haste: Increases attack speed, reduces the global cooldown, and increases your rune regeneration.
The best way to calculate stat priorities for your character is to "sim" your characterFind out how to sim
Bloodelf > Orc > Undead > Tauren > Troll > Goblin
Gnome > Human > Worgen > Night Elf > Draenei > Dwarf
Ring: 2x Accord of Mastery
Health Potion: Abyssal healing Potion