The session begins with lighthearted banter and a recap of the previous session's lizardman fight. The party learns the castle they're approaching is controlled by the Cult of the Dragon, allied with bullywugs and unhappy lizardmen. They capture Snap Jaw, a lizardman, who reveals the lizardmen's grievances and the presence of a dangerous black dragon. The party decides to incite a lizardman revolt instead of a direct assault.
Kalak's backstory is explored, revealing his search for Talis, a lost childhood friend possibly involved with the cult. The party receives a long rest and prepares to meet the lizardmen. Kalak dons Cult of the Dragon regalia to deceive them. Snap Jaw agrees to provide an overlay of the castle and information about the leaders.
The party infiltrates the castle, aiming to “cut off the head of the snake” by targeting the leadership. They ascend through the library overflow and an old chapel converted into Rasmir's office. They loot the office and find notes about a portal labeled “Jazir,” which they suspect leads to the treasure. Snap Jaw confirms the existence of a portal in the basement and suggests “Jazir” might be a password.
The party, despite Kalak's skepticism about basements, descends to the dungeon to find the portal and potentially signal the lizardmen. The session ends as they prepare to explore the basement.