The Blade of the Phoenix is a powerful artifact of Shi'ar origins, which used to host a fragment of the Phoenix Force, a cosmic being that is a recurrent presence in the X-Men comic books. In Inferno #3 by Jonathan Hickman, Valerio Schiti, R.B. Silva, and Stefano Caselli, the Blade of the Phoenix is shown as the one weapon capable of killing the machine-gods known as Dominions in the only future where mutants rule supreme over humans and machines.
The sword belonged to Rook'shir, a Shi'ar who
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