General Feat
Your exposure to death, undeath and the study of spirits grants you to ability to contact those who have passed.
Ability Score Increase. Increase your Charisma score by 1, to a maximum of 20.
Study of the Soul. You have advantage on any Arcana or Religion check you make to remember or research information about spirits and the afterlife.
You learn the Speak with Dead spell and can cast it without expending a spell slot once per long rest. You can also cast this spell using spell slots you have of the appropriate level. CHA is your spellcasting ability for the spell.
You gain the ability to contact spirits who may linger in your current vicinity. As an action, make a DC 10 CHA check. On a success, you have summoned a spirit and can ask it questions for 1 minute. Unlike Speak with Dead, the spirit does not have to answer or be truthful in its responses. Once a minute has passed or you have exhausted your questions, make a DC 10 CON saving thow. On a failed save, you gain one level of exhaustion. On successive uses of the ability, the DC of the CON saving throw increases by 5 every time.
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