Was doing the quest today for the campaign on live and one of the Soul Crystals is 'The Champion of Peace', this is a reference to Gavinrad, leader of a detachment of troops in The Silver Hand called the Champions of Peace, he was killed by Arthas, and also showed up in the frost DK artifact questline along with the aforementioned Halahk the Lightbringer, not sure if this was missed on the ptr or wasn't implemented til live patch.The Betrayed Father - Terenas MenethilThe Blood-Queen - Lana'ThelThe Grand Magister - Belo'vir SalonarThe Guardian of Naxxramas - SapphironThe Archmagus Mentor - AntonidasThe Golden King - Anasterian SunstriderThe Holy Lifebringer - Halahk the LifebringerThe Champion of Peace - GavinradMany Forgotten Victims - Stratholme? Arthas' Northrend Expedition? Who knows...