Toriel, Undertale, sparing, mercy, emotional expression, motherly figure, boss battle, fire magic, heart locket, purple dress, white fur, large eyes, horned, goat-like creature, Ruins, homey interior, golden flower bed, warm lighting, soft shadows, mid-action pose, pacifist route, player choice, moral dilemma, video game scene, pixel art style, 2D perspective, ambient soundtrack, tension-filled atmosphere, RPG elements.