Crusader Arevir Soulhammer (located at the Hero Point in Viper’s Run, Iron Marches) ’s quiz about Almorra Soulkeeper answers from the wiki:
Blood Legion.
Tribune.
They were on patrol in Eastern Ascalon.
The warband became corrupted, and she was forced to destroy them.
She left the legions and formed the Vigil.
However, the wiki and the book ‘Ghosts of Ascalon’, as far as I remember, states she was a Legionnaire, not a tribune.