The Thanatology Skill, introduced in The Sims 4 Life & Death expansion pack, allows Sims to explore the mysteries surrounding death and grief. Rooted in the study of mortality, this skill teaches Sims about loss, coping, and the rituals tied to the afterlife. Whether Sims are fascinated by the macabre or work directly with the dead, mastering the thanatology skill offers powerful abilities and benefits.