Ootakemaru (大嶽丸, also sometimes called 鬼神魔王、大だけ丸、or 大竹丸) is a figure in Japanese folklore. He resides on Suzuka Mountain, a connection of mountains and ravines bordering the Ise and Oumi countries.山田雄司『鈴鹿峠と坂上田村麻呂』三重大学人文学部考古学・日本史・東洋史研究室、三重大学人文学部考古学 〈三重大史学〉、第8号、2008年3月 https://mie-u.repo.nii.ac.jp/?action=pages_view_main&active_action=repository_view_main_item_detail&item_id=1035&item_no=1&page_id=13&block_id=21 He lived during the reign of Emperor Kanmu (781-806) and was one of the chief enemies of shogun Sakanoue no Tamuramaro. Ootakemaru mostly connected to the story of Sakanoue no Tamuromaro's oni extermination. 内藤正敏 『鬼と修験のフォークロア』法政大学出版局〈民俗の発見〉、2007年3月1日。 He is considered one of the Great Three Evil Yokai of Japan [jp] alongside Shuten-dōji and Tamamo-no-Mae.小松和彦『妖怪変化の身上調書』 32, 第8号 2007年
Ootakemaru was said to be able to manipulate the weather such as storms and thunder, capable of creating dark clouds to cover Suzuka Mountain that rained fire.山口敏太郎 『大迫力！日本の妖怪大百科』西東社、2014年。 In popular culture
Music
Ōtakemaru is a song by Onmyōza, released on their 2025 album
Games
Onmyōji – Ootakemaru appears as an NPC and boss Nioh 2 – Ootakemaru appears as the main antagonist of the game and its DLC Fate/Extra – in the FoxTail manga, he was mentioned in Suzuka Gozen's backstory
References
Attribution Content in this edit is translated from the existing Japanese Wikipedia article at :jp:大嶽丸; see its history for attribution.