Item - Death Knight T16 Blood 2P Bonus (New) Every 4 Heart Strikes, Rune Strikes, or Blood Boils will add one charge to your next Bone Shield.
Item - Death Knight T16 Blood 4P Bonus (New) Dancing Rune Weapon will reactivate all Frost and Unholy runes as Death Runes, and make your next 4 Death Strikes free.
Item - Death Knight T16 DPS 2P Bonus (New) Killing Machine and Sudden Doom grant 500 Haste or Mastery, whichever is highest, for [ 200% of hnd + 4 ] sec, stacking up to 10 times.
Item - Death Knight T16 DPS 4P Bonus (New) Death Coil increases the duration of Dark Transformation by 1.5 sec per cast. Pillar of Frost increases rune regeneration speed by 100% while active.
Death Knight (Forums, Talent Calculator)
Blood
Dancing Rune Weapon Summons a second rune weapon that fights on its own for 12 sec, mirroring the Death Knight's attacks. The rune weapon also assists in defense of its master, granting an additional 20% parry chance while active. Requires Melee Weapon. Death Knight - Blood Spec. 60 Runic Power. 30 yd range. Instant. 1.5 min cooldown.
Unholy
Master of Ghouls The Ghoul summoned by your Raise Dead spell is considered a pet under your control. Unlike normal Death Knight Ghouls, your pet does not have a limited duration. Death Knight - Unholy Spec. Also reduces the cooldown of Raise Dead by 0 sec. Death Knight - Unholy Spec.
Major Glyphs
Enduring Infection Your diseases are undispellable, but their damage dealt is reduced by 30%. Major Glyph. Instant. 15%. Major Glyph. Instant.
Glyph of Enduring Infection Your diseases are undispellable, but their damage dealt is reduced by 30%. Major Glyph. 15%. Major Glyph.
Glyph of Mind Freeze Reduces the cooldown of your Mind Freeze ability by 2 1 sec, but also raises its cost by 20 Runic Power. Major Glyph. 10 Runic Power. Major Glyph.
Glyph of Outbreak Your Outbreak spell no longer has a cooldown, but now costs 40 Runic Power. Major Glyph. 30 Runic Power. Major Glyph.
Mind Freeze Reduces the cooldown of your Mind Freeze ability by 2 1 sec, but also raises its cost by 20 10 Runic Power. Major Glyph. Instant.