fantasy female lich, skeleton in tattered dark robes, green light glowing from her eyes, she is captured in a dynamic tense pose drawing magical energy, between outstretched bony hands, she holds a pulsating orb of blue-violet power, cloak is stiffly "billowing" as if caught in a magical vortex, she gives the impression of an ancient undead sorceress focused on a powerful ritual, extremely detailed, high resolution texture, epic stance