sentences:  An ꜣḫ could do either harm or good to persons still living, depending on the circumstances, causing e.g., nightmares, feelings of guilt, sickness, etc.It could be invoked by prayers or written letters left in the tomb's offering chapel also in order to help living family members, e.g., by intervening in disputes, by making an appeal to other dead persons or deities with any authority to influence things on earth for the better, but also to inflict punishments.The separation of ꜣḫ and the unification of kꜣ and bꜣ were brought about after death by having the proper offerings made and knowing the proper, efficacious spell, but there was an attendant risk of dying again.