This article is about a/an transformation device in Madan Senki Ryukendo.

The Dagger Key activates. When it was first activated it fused with GekiRyuKen to become Twinedge GekiRyuKen. The seal on the Dagger incated that it was itself a key but it could be used as a weapon too. Dagger Key was meant to be Ryuguno's but after getting it Fudou gave that key to Kenji.

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