I have two for now. May add more later.
The first is
Close Shave: The Conquerer shoves the edge of his shield into the opponents neck and slices the length of the shield across there neck slitting there throat. (Fast, short execution.)
The second is
Spike strike: the Conquerer takes the point of his shield and drives it into throat. He then continues to force the shield through until the enemy is decapitated. (Fast, short execution.)
Pop shove it: The Conquerer takes the point of the dhiekd and drives it into the enemies throat. He then throws all his weight onto the shield or stricken down on the showing the other arm cause of it to Kirk up piping off the enemies head.