Aramintha Jaine is one of the handful of Abyssal Ladies. Most rulers of the Abyss style themselves Abyssal Lords, irrespective of gender. That's because the ones that call themselves 'Abyssal Ladies' usually die in very short order, unless approved by 'the appropriate authority'.
Aramintha Jaine, for current intents and purposes, is that 'appropriate authority'.
Aramaintha Jaine has dark hair, dark eyes, and generally dresses in a sugar-pink dress which looks as if it has seen much better days. She often wears a silver circlet about her brows, and wears a rapier at her belt.
Her alignment can appear to be anything which she desires it to be - or undetectable - and reading her mind is not generally advisable.
She has a dwarven man-servant, Fraghast Axebiter, a comrade from her former adventuring days before she inherited a layer of the Abyss, became a Daughter of the Morning, and went insane.
Aramintha Jaine is immune to practically all magical and physical effects, including to many which might actually be beneficial to her; she cannot suppress this immunity. With regard to electrical and force attacks, not only is she immune to them, but she can swat away with her hands or other body parts any such attacks which strike her, flicking them away in directions of her choice.
She has an absolute timeline; no matter who tries it, attempts to travel back in time and rewrite history where she has been directly involved always fail, and she herself cannot travel in time. She is 'invisible' to divinations about the future. Such magic always predicts a course of events as if she does not interfere in them, even though she may end up doing so and substantially changing them - although any 'destinies' changed by her will revert to their normal course once her interaction with them is removed, unless seven generations have passed with her meddling.
Aramintha Jaine is bad news for surprises, tending to take off guard anyone who tries to catch her flatfooted.