Members of the Gentle Repose Sect are dedicated to maintaining the balance and continuity between life and death. You are unable to be surprised by the undead, and you get advantage on Intelligence and Wisdom checks related to death, funerary rites, the undead, and the history and folklore relating to these areas. Additionally, once per long rest, you can cast Gentle Repose as a ritual, irregardless of whether your class allows you to cast spells. When casting the spell using this feature, the duration is doubled.