Creirwy

Welsh · demigod · mythic prehistoric · demigod

She exists in the sources as a comparison, and the record says so rather than building her out. Her type is `demigod` because that is what the corpus computes for a child of Ceridwen — Taliesin, her brother by adoption in the tale, is already filed that way — and lanes 16, 17 and 18 each lost a test cycle to authoring a tier the pipeline recomputes.