Allan Kardec. The book of spirits (№ 396798)

Question: Perfume, heads of the phenomena of nature, make it a special category in the spirit world; whether there is any special creatures or spirits that were embodied in the same way as we are?
Answer: They are incarnated and are still incarnate.
Question: do these spirits to a higher or lower level of the hierarchy of spirits?
Answer: It depends on the extent to which the material to their class; some command, others perform the commandments; those who perform material classes are always to the lower level, as in humans.