Ancient underground temple dungeon, D&D, trending on ArtStation, dark fantasy, great composition, matte painting concept art, highly detailed, scenery, 8K, HDR, official fanart behance hd, in stvle of Greg Rutkowski and Cushart Krentz and Gilleard James and Jesper Eising, by RHADS, Makoto Shinkai and Lois van baarle, ilya kuvshinov