Oh The Blood Knight sets is awesome, we can make Hybrid Melee + DoT + Pet Builds simultaneously !
Our lovely Crate give me chance to revive The Old Blood Knight and The Old Vampiric Knight with this Awesome Set 
Warder
Witchblade
Blademaster
Conjurer
//youtu.be/byWfS5B3HE0&feature=youtu.be
OA + AS + Physical Res + ADctH + Nice Pets + RR + Cool Looking Appearance
These will make Very Sweet Blood and Vitality Builds (DW or with Shield)
I’ll post The Bloody Knights and The Vampiric Knights in New thread later …