10 Runic Power
30 yd range
Defile the targeted ground, dealing 110,495 Shadowfrost damage to all enemies over 10 sec.
Every 1 sec, if any enemies are standing in the Defile, it grows in size and increases your Mastery by 300, stacking up to 10 times.
While you remain within your Defile, your Scourge Strike will hit all enemies near the target.