 Due to traveling across planes of existence, its body gradually deteriorates until only a skull or even a single skeletal hand remain.Other races also have their own special versions of the lich, which are not necessarily evil; for example, an Elf from the Forgotten Realms setting can become a "baelnorn" (often elves who take upon themselves the duty of overseeing and/or protecting their house), or an Illithid can become an "illithilich", also known as an "alhoon".A dragon can also become a dracolich.