Helm: Bloodhound Knight Helm

Armour: Bloodhound Knight Armor

Gauntlet: Bloodhound Knight Gauntlets

Leggings: Bloodhound Knight Greaves

Where To Find: 

(Click the link above to view the equipment and watch the getting video.)

The complete Bloodhound Knight Set is obtained within Gelmir Hero's Grave in Mt. Gelmir. It is dropped by the Bloodhound Knight standing guard near the Gelmir Knight Set pickup. To acquire the set, players need to defeat the Bloodhound Knight, after which the entire set can be retrieved from the fallen knight's corpse.