Necromancy is the new ability available to warriors who have reached level 16.

Ani-Dahlia, a representative of the Vigilant Guard, has heard much about your impressive military feats and magical talents, and is requesting your audience. Make sure you pay this madame a visit, as you will learn about the mysterious art of necromancy.

As you must have already surmised, this powerful sorceress has not called you out of morbid curiosity... Knowing your talents, she intends to teach you the Art of Necromancy and give you the ability to summon the dead allies to your aid in battle, Skeletars.