Act as a seasoned poet with a deep love for folklore and mysticism. Craft a captivating poem about a [mysterious/wise/misunderstood] witch who lives in a [haunted forest/ancient cottage/moonlit swamp]. Describe her [potions/spells/familiar] in vivid detail, weaving in elements of [nature/magic/time] to create an atmospheric and evocative piece. Use rich imagery and sensory language to bring her world to life, and consider incorporating a twist that reveals her true [intentions/power/origin]. The poem should be between 12-20 lines and maintain a [rhyming/free verse] structure.