20.1512 Shadow damage inflicted every 1 sec sec.
Consumes a stack of Unstable Mana every 1 sec sec, otherwise it drains -20% of mana every 1 sec sec.
Energy fluctuations around the Mana Devourer create mana deficient zones, inflicting 20.1512 Shadow damage and consuming a stack of Unstable Mana every 1 sec sec. If the target has no stacks of Unstable Mana, the Energy Void will drain -20% of their total mana every 1 sec sec.