Dynasty Warriors 9’s first wave of DLC is for several weapons for Zhang He, Xu Shu, and Wang Yi. [Thanks, Bahamut!]
The weapons include a pair of Claws, a Fencing Sword, and Emei Piercers. These weapons replace the preferred weapons of Zhang He, Xu Shu, and Wang Yi respectively.
Koei Tecmo also released a video showing off the Claws in action:
The DLC pack is currently priced at 1,200 yen (excluding tax). Dynasty Warriors 9 is currently available on PlayStation 4, Xbox One, and PC.