The great demon beasts of Zhu Yan Clan were known as soldier beasts, resembling belligerent apes.
It was said that Zhu Yan was a kind of ape. Before, the Verdant Gazelle Palace Lord told Ye Futian that the Zhu Yan Clan might've been on good terms with the Ape Clan, and thus was implicated and exiled to the Celestial Demon city.
At that moment, Ye Futian felt a little familiar with this martial art of stick.
The Ape Clan inherited the Eighty-one Strikes of Heaven-traversing Staff Techniques. The 81 strikes of stick techniques were the foundation that the demon beasts of the Ape Clan could have their newfound knowledge based on, like the fact that the Late-snow Ape Emperor created the Nine Heavenly Attacks based on the 81 strikes.
However, this should've been considered his legacy, and Ye Futian was the only person who inherited it and passed it on to the Golden Apes.