Witch-Lords of Skull Mountain is (hopefully) a learning tool for new/intermediate GM/DM/Judges to help them build out their own hexcrawls. Aside from that, this is a kick ass sword-and-sorcery ...
Other, slightly more overt Easter eggs can be found throughout the latest D&D books, he said, including things like cameos ...
Why let purple things with tentacles and maws have all the fun? These five spells will make YOU the eldritch horror!