[@Claw2k11]

"I will do whatever it takes to make sure the Grand Marshal's wishes come to fruition! For he has given me so much that I simply cannot repay in simple deeds, but with a lifetime of service!" 

The conviction in her voice made it clear - she would be willing to even slaughter her allies in order to uphold her good standing with the Grand Marshal. She was guided purely by emotion - a beast that could not be controlled save for one. Unless extreme measures were taken, she likely wouldn't be changed. 

Raising her blade higher, she prepares it finally for her attack - a strike at maximum capacity. "Now, fear the power of Dark Knight Maryvale Blood! Dark Nebula!" 

The blade pierces the ground, and in a flash (or rather, the opposite) a massive amount of dark energy and magic was released in a highly concentrated area. It was definitely enough to kill any unprotected humanoid ally, however thankfully the Elve had cast the darkness immunity spell on everyone on their side. This was Maryvale's ultimate attack: a near-suicidal level of power released in a radius of one-hundred metres.