Cthulhu-themed, eerie atmosphere, dimly lit, mysterious, ancient tome, leather-bound book, yellowed pages, cryptic symbols, tentacles, grotesque creatures, cyclopean architecture, abandoned, crumbling, overgrown with vines, moss-covered stones, twisted roots, eldritch horror, sanity-blasting terror, dark academia, musty smell, old parchment, flickering candles, eerie shadows, atmospheric mist, haunting ambient sound, cinematic composition, 3/4 view, low-angle shot, ominous lighting.