Roukanken and Hakurouken

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Youmu holding the Roukanken in Scarlet Weather Rhapsody

The Roukanken (楼観剣, lit. "watchtower sword") and the Hakurouken (白楼剣, lit. "white tower sword") are the two swords used by Youmu Konpaku. They are frequently used in her spell cards and attacks.

Background Information[edit]


Roukanken is a long-bladed katana said to be made by youkai, too long to be wielded by normal humans. It's said that it has the power to kill ten phantoms in one strike, but as one cannot actually kill phantoms, the truth of this claim is debatable. Youmu herself claims that "The things that cannot be cut by my Roukanken, forged by youkai, are close to none!"[1] Roukanken's sheath has a flower on top of it attached with a seal and a little rope.


Hakurouken is the ancestral wakizashi of the Konpaku family, which only they are capable of using. It has the power to dispel the confusion of those it cuts. That is, using it on humans will cause them minor pain and discomfort (though it is also able to kill them)[2], while using it on phantoms will send them to nirvana.[1] In Youmu's ending in Phantasmagoria of Flower View, Eiki Shiki, Yamaxanadu is indirectly mentioned to have explained that what Youmu is doing to the spirits is something that is not allowed, as it can send them straight to Heaven regardless of if they deserve to go there or not.[3]