Spirit of superhero endures on stage

A short video showing the gesture went viral online.

"Audiences overseas come from diverse backgrounds with different languages and cultures. So I thought of using the universal language of the heart gesture to show a different face of Guan Yu in the modern era," Wu said.

"I am an active Guan Yu on the stage. My greatest responsibility now is to pass on and promote the artistic charm of traditional jinju through various means. This is my mission and my driving force," he added.