Fetching details from the dictionary...
offensive strength; offensive power; striking power
そのキャラは攻撃力が高い。
That character has high offensive power.
チームは攻撃力を高める練習に励んだ。
The team worked hard on drills to boost their offensive power.
新型ミサイルは驚異的な攻撃力を持つ。
The new missile possesses formidable offensive power.