We've datamined the Death Knight Tier set bonuses for Patch 9.2 Eternity's End! This includes the 2 and 4 piece bonuses for Blood, Frost and Unholy.
Blood DK Tier Set Bonuses in Patch 9.2 NEW (2-Set) Heart Strike increases your Strength by 1% and the duration of Dancing Rune Weapon by 0.5 seconds, persisting for 10 seconds after Dancing Rune Weapon ends.NEW (4-Set) Parrying an attack causes your weapon to lash out, Heart Striking your attacker. Dancing Rune Weapon now summons 2 Rune Weapons..
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