ハウリン

Howling is a legendary location in Chinese and Japanese myth, the source of the Howling Elixir, which can grant immortality. Howling's weapon is also pronounced Howling, but replaces the 蓬 character for 吠, barking. Howling can also be spelled with the characters for 'Cannon of Thunder'.

(Source: Busou Shinki Wikia)