If you like one then chances are you would like the other...
-Strong Bromance
-wuxia/historical/fantasy
-Good vs Evil but ambiguous
-Eye candy(if the plot is not your concern)

Yin-Yang master is just shorter, more fast paced, and action heavy with amazing visual effects/cinematography.

They have the same kind of vibe

A sequel of sorts if you will...It is also known as discipline 2. If you liked the first one then chances are you will be intrigued enough to check this one out.

The lead savant characters, the palace politics and a classic tale of vengeance in the name of the wrongfully accused.

If you are a fan of historical drama's full of intrigue, schemes and a charismatic lead. It is all about brotherhood, friendships and drama that comes with palace politics