From Halopedia, the Halo wiki

The new medal for Halo: Reach.

Ennobled is a campaign medal available in Halo: Reach. It is earned by completing a campaign mission with four players on Legendary difficulty. It is represented by the Noble Team emblem on top of a gray hexagon.[1] The medal does not appear in-game and can only be viewed on

On March 31, 2012 ceased updating Halo game stats and player records, transferring all record-keeping responsibilities to Halo Waypoint.[2] As Ennobled could only be viewed on the site, it is effectively no longer awarded.