HOLD YOUR HORSES GUYS AND LOOK AT THIS PICTURE!!!  
Remember how Night Light and Shining Armor got shot by Chrys? Well, guess what? THEY SURVIVED!!! And they are leaders in that group which had originally hunt down magi in ancient time! and Night Light had been an Agent (probably S-class soldier) in the Vanguard when he had a family with a pure-blooded magi woman!!!  
Anyway, have dogz description below:
 
If you read the prequel comic, then these two should be dead. Nope! details on how they survived later.
 
Twi’s father, Night Light, former agent and now the Director of the Vanguards for the Equestrian branch.
 
Shining Armour, a Hybreed, was recruited into the guard after the incident. S-class Vanguard, Rank: Captain