Maybe I'm misunderstanding, but I think I read that you can't use a ki focus and weapon property at the same time, that you can use your weapon as a weapon and gets its enchantment or as a ki focus and get your ki focus's enchantment, but not both.
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"[This is perfect. I have always fought with these kinds of cards. You say that I have lost the moment I was dealt? It's just the same as always!]"