It took him time to understand that tactic.

He is a master of chain-sickle art.

He is interested in ancient alchemy.

She tried to predict the future using scrying.

He is a master of swordsmanship.

He is a master of iron fan technique.

He is a master of jōdō, and his technique is splendid.

She said she was interested in spiritualism.

He is undergoing rigorous training every day to master ancient weapon techniques.

He entered the monastery to learn sacred arts.