Otzar Hagilgulim is a comprehensive collection of teachings on the concept of gilgul neshamot (reincarnation of souls) in Jewish mysticism. This volume focuses on Masechet Chulin, exploring the spiritual dimensions and kabbalistic interpretations related to this tractate of the Talmud. This work synthesizes classical and contemporary sources, offering readers deep insights into the mystical understanding of the soul's journey across lifetimes. It serves as an essential resource for students of Kabbalah, Jewish philosophy, and advanced Talmudic study seeking to understand the spiritual underpinnings of Jewish law and practice. Ideal for serious learners, educators, and those interested in the intersection of Jewish mysticism and halakhic tradition.