Crunch, crunch!
Sizzling!
This was the sound of bones being crushed and meat tendons being bitten off coming from the mouth of the Cloud Winged Tiger King Kitten.
Grand Divine Master Shouxuan executed an extremely abrupt attack on Ye Zhen, although he later released an avatar disguise to confuse Ye Zhen.
The disguise of a Dao Realm expert is indeed formidable, successfully deceiving Ye Zhen's Divine Sense but unable to fool Big Ears Nie Ting's ears.
The moment the assassin made an escape, Big Ears informed Ye Zhen using his innate divine ability that Grand Divine Master Shouxuan, who went to pursue the assassin, had lost an arm.
So, it's quite clear who the assassin is.
Moreover, Ye Zhen understood the true intent behind Grand Divine Master Shouxuan's sudden assassination attempt: to deliver a blow that was neither painful nor itchy.
