"The Great Ruler" is a TV drama with the theme of Chinese classical martial arts.

It tells the story of a young swordsman named Mu Chen who undergoes hardships in the martial world and eventually becomes a great hero.

The costumes and headgear in the show are exquisitely designed, showcasing the charm of ancient Chinese culture.

In this drama, Mu Chen wears a blue ancient costume with a black helmet and a red waistband.

The costume adopts traditional Chinese tailoring with smooth lines and bright colors.

The helmet is uniquely designed with golden decorations, creating a striking contrast with the blue costume.

In addition, Mu Chen also wears a pair of black goggles to protect his eyes from sunlight and dust.

Apart from the costume, Mu Chen's headgear is also a highlight.

He wears a black helmet with golden decorations, which is very common in ancient martial arts and can both protect the head from injury and increase the character's sense of mystery and dignity.

In summary, the costumes and headgear in "The Great Ruler" are exquisitely designed and full of the charm of ancient Chinese culture.

These details not only help the audience better understand the background and character image of the story but also add a unique charm to the entire series.