For 10 points, name these Daoist deities, an octet of figures who cannot die.
One of these figures ate powdered mica and promised to remain a virgin after a god appeared to her in a dream. Another of them once poured several cups of wine out of a container to demonstrate his power. One of these figures, given the epithet "old", had a donkey that he could fold into his pocket. During another one's birth, beams of light filled the delivery room, and he didn't stop crying for seven days afterwards. Another of these figures occupied the body of a hobo after his student forgot to bury his original body; that figure is the patron of the poor and is depicted with an iron crutch. These figures lived on a set of five islands surrounded by still water, which they crossed by using clouds, and their leader once slept and saw eighteen years worth of dreams in the time it took his millet to cook. Lead by Lu Dongbin, they are revered alongside the three pure ones. For 10 points, name these Daoist deities, an octet of figures who cannot die.
One of these figures ate powdered mica and promised to remain a virgin after a god appeared to her in a dream.
{Eight Immortals} or {Ba Xian} or {Pa}-{Hsien}