Complex sentence: The gang finds Ahkmenrah's parents, and his father, Merenkahre, reveals the tablet was meant to keep his family together forever and is endowed with the power of Khonsu, god of the moon, and needs frequent exposure to moonlight to retain its magic.
Split into simpler sentences: The gang finds Ahkmenrah's parents, and his father, Merenkahre, reveals the purpose and power of the tablet: to keep his family together forever. The tablet is endowed with the power of Khonsu, god of the moon, and needs frequent exposure to moonlight to retain its magic.