She lives on a fault line, a place most Adepts or Sorcerers wouldn't dare live by due to the high likelihood of sudden earthquakes, fatal to anyone who may be Working at the time. She however, has managed to Ward off the entire fault, managing to stabilize the fault albeit temporarily. This stabilization has welled up an incredible amount Earth Fae for her to use, allowing her to expand her powers steadily. She fails to see the folly in trying to stabilize a fault line of seismically active Erna however; Tarrant realizes that the Wards are doomed to fail, and might do so at any time. He uses this knowledge to eventually destroy her.