Full knowledge for both.
Ryu has all his Ninpo.
Winner by Death or KO.
Fight takes place in generic forest setting.
Who takes this?
Ryu in a stomp.
Yeah, that was my though as well and considering Erza cannot keep up with Katana users such as Kagura (that she needed a plot device to beat Kagura) she would have more trouble with this dude... he would slice her head.
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