The Umibōzu: A Japanese Sea Monster Formed From the Spirits of the Drowned : r/UnearthedArcana
Zuiyo-maru carcass - Wikipedia
Water Monsters | 百物語怪談会 Hyakumonogatari Kaidankai
Isonade | Monster Wiki | Fandom
The Sea Monk (ca. 1845) – The Public Domain Review
Ikuchi- Japanese myth: a giant sea serpent that spills and adhesive oil out from its skin. If a ship co… | Mythological creatures, Japanese myth, Japanese mythology