The Legend of Vox Machina 1x7

As Vox Machina discovers more about a revenge pact Percy made years ago, Keyleth tries to magically connect with the Sun Tree. She senses its pain as well as a dark force deep below the city of Whitestone. Feeling underappreciated, Scanlan volunteers to infiltrate Duke Vedmire's mansion as a distraction while Vox Machina attempts to rescue Percy's sister Cassandra.