Heroic: Trial of the Champion (Horde)

Heroic: Trial of the Champion is an achievement that is awarded for defeating all the bosses of the Trial of the Champion instance on heroic difficulty. This achievement requires a minimum of two runs.

Details
The first round of the Trial of the Champion consists of facing three of these five Grand Champions of the Alliance:
 * Ambrose Boltspark
 * Colosos
 * Jaelyne Evensong
 * Lana Stouthammer
 * Marshal Jacob Alerius

The second round consists of facing one of these two bosses:
 * Argent Confessor Paletress
 * Eadric the Pure

The third round consists of facing:
 * The Black Knight