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So rainbow-sided, touch'd with miseries, She seem'd, at once, some penanced lady elf, Some demon's mistress, or the demon's self.

John Keats (2015). “The Complete Poetry of John Keats: Ode on a Grecian Urn + Ode to a Nightingale + Hyperion + Endymion + The Eve of St. Agnes + Isabella + Ode to Psyche + Lamia + Sonnets and more from one of the most beloved English Romantic poets”, p.483, e-artnow
So rainbow-sided, touch'd with miseries, She seem'd, at once, some penanced lady elf, Some demon's mistress, or the demon's self.