(masterpiece)，(high detail)，(ultra-detailed)，Shadowed labyrinth，Unseen headquarters，Faded resistance，Whispering murals，Cloaked figures，Ancient knowledge，Veiled identity，Silent footsteps，Clandestine meetings，Ignited flames，Forgotten tales，Inspiring defiance，Hidden chambers，Damp underground，Ethereal specters，Resilient heroes，Unwavering conviction，Muffled voices，Illuminated tomes，Symbolic attire