Frisk and Chara, Undertale characters, side by side, friendly pose, smiling, short brown hair, striped shirts, knee-length pants, sneakers, holding hands, heart locket, pixel art style, underground setting, glowing flowers, determination, SAVE point, soft underground lighting, ambient magical glow, close-up shot, dynamic duo, digital painting texture, vibrant colors, action stance, friendship theme, cave background, detailed stone texture, moss and vines, warm and cool contrast lighting, medium shot.