Pass Vex'tul's test of strength.
My name is Vex'tul, and I have watched you fight, <race>. You are strong.
You killed my master, Zaeldarr, but this does not bother me. I value strength over any loyalty that I held for him. I value strength over anything else.
Prove to me one final time your strength, <race>. Do so, and I will lend you MY strength for whatever purpose you may desire.