Unstable Nether Portal

The Unstable Nether Portals are found in various locations throughout the Broken Shore as long as the Nether Disruptor is active. They can be disrupted with a Nether Portal Disruptor, sold by at Deliverance Point in exchange for. Doing so will summon forth one of the following demons:
 * Lambent Felhunter
 * Warped Voidlord
 * Baleful Knight-Captain
 * Ruinous Overlord
 * Malformed Terror
 * Ruinous Overfien
 * Warped Overlord
 * Warped Voidlord
 * Anomalous Observer