BIS Gear for Blood Death Knights (Pre-Raid)
Blood Death Knights are renowned for their tanking capabilities in Cataclysm Classic, thanks to the stat changes and the introduction of Mastery. As you reach WoW Cataclysm Classic Gold Level 85, here is the gear you should prioritize to ensure you're raid-ready. Alternatives are also listed, particularly where epic items from Archaeology are considered BIS.

Head
Reinforced Bio-Optic Killshades
Source: Crafted through Engineering (Engineer-only item)
Alternative: Helm of Setesh (Drops from Setesh in Halls of Origination Heroic)

Neck
Carrier Wave Pendant
Source: Drops from Blackrock Caverns (Heroic)

Shoulder
Raz's Pauldrons
Source: Drops from Blackrock Caverns (Heroic)

Back
Wrap of the Great Turtle
Source: Purchased from Cataclysm Classic Gold Provisioner Whitecloud, requires Exalted with Guardians of Hyja
Chest
Hardened Elementium Hauberk
Source: Crafted through Blacksmithing
Alternative: Lord Walden's Breastplate (Drops from Lord Godfrey in Shadowfang Keep Heroic