This is the 14004th most frequent Korean word.
매력으로
"By/with charm" or "through attractiveness."
The term "매력으로" is used here to indicate the cause or means by which something is accomplished, specifically referring to "with the charm of" humor.
그의 유머 매력으로 많은 친구를 사귀었다.
He made many friends with the charm of his humor.
In this instance, "매력으로" highlights the instrument or quality responsible for the action, which is her charm.
그녀는 매력으로 방 안 분위기를 밝게 만들었다.
She brightened the atmosphere of the room with her charm.
Here, "매력으로" conveys the quality or aspect that attracts attention, which is the painting's unique charm.