The episode centers on a supernatural crisis affecting the warlocks of New York. Their magic is becoming "corrupted," manifesting as a dark, oily residue that causes them pain and renders their spells unpredictable or dangerous.
: As Magnus Bane adjusts to no longer being High Warlock, he struggles with the corruption of his magic. He and Alec Lightwood attend a warlock council gala where the infection spreads, forcing Magnus to confront the source of the demonic interference. [S3E2] The Powers That Be
: Isabelle Lightwood and Luke Garroway team up to investigate a series of mundane possessions. Their trail leads them to a connection with a powerful, emerging demonic force. The episode centers on a supernatural crisis affecting
: Magnus navigating life without his High Warlock title provides a rare look at his vulnerability and identity beyond his position of power. He and Alec Lightwood attend a warlock council
The second episode of the third season of , titled "The Powers That Be," originally aired on March 27, 2018. It focuses on the escalating supernatural corruption within the warlock community and the personal fallout of recent battles. 🛡️ Plot Summary