Tier 10.277 source

The parts of this set are Item Level 277. These items are upgraded from the 264 versions, with a Mark of Sanctification (heroic) gained from the heroic 25-man version of Icecrown citadel.

The Item Level 251 versions are those purchased solely with Emblems of Frost.

The Item Level 264 versions are upgraded from the 251 versions at the vendor, with a Mark of Sanctification.

All three versions count towards satisfying the set bonus requirements.