Ingenious
Skillful
noun, な adjective
Something that is adept but strange in how adept it is would have to be something truly ingenious and skillful. Like looking at alien technology.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
ある邪悪な魔法使いが、巧妙に偶然を装って女性に近づきました。
The evil witch cleverly pretended to approach the girl by mere chance.