Elemental Demise. If the efreeti dies, its body disintegrates in a flash of fire and puff of smoke, leaving behind only equipment the efreeti was wearing or carrying.   Innate Spellcasting. The efreeti's innate spellcasting ability is Charisma (spell save DC 15, +7 to hit with spell attacks). It can innately cast the following spells, requiring no material components:   At will: detect magic   3/day each: enlarge/reduce, tongues   1/day each: conjure elemental (fire elemental only), gaseous form, invisibility, major image, plane shift, wall of fire