Leener have relatively superior feats and talents, and she pressed Darth Malgus much more than any other opponent he had encountered earlier including Ven Zallow, Satele Shan, a Zabrak building-buster and Kao Cen Darach - each a powerhouse.
Total Warrior
Nihl
victreebelvictr
i would want to say aryn, her feats were quite incredible, she was like 79% of malgus.