Strange indie game as certainly one of its bosses. I didn't check it but, but there's a video exactly where he very easily defeats Unusual Akuma, so that maybe can give us an idea relating to this character... Where Ryu has a more "electrical" affinity, Ken's particular improvement on the https://whiskeyeditions.com/product/hibiki-japanese-harmony-ryusui-hyakka-limited-edition-2021/