The Incandescent Grottoes (2021) September 6, 2022May 27, 2024 by Stu HorvathCategories PostAdvanced Fantasy, Exalted Funeral, Incandescent Grottoes, Necrotic Gnome, Old-School Essentials, OSRLeave a Comment on The Incandescent Grottoes (2021) A great dungeoncrawl, by Gavin Norman and illustrated by Nate Treme.