The ending, where Yulaw embarks on his quest to beat up an entire dimension of prisoners.
Yulaw: "I am Yulaw! I am nobody's bitch!
Yulaw introducing himself to Gabe. Doubles as Nightmare Fuel
Yulaw: The good news? You're not crazy. The bad news...
Yulaw taking on an entire element of one universe's SWAT equivalent by charging into the middle of them and beating them senseless in real-time while they end up moving in utter slow motion.
The final showdown between Gabe and Yulaw. Especially when they bust out two similar (as in internal or chi-based) but fundamentally different (one being aggressive, the other more about redirecting and striking at the right moment) martial arts: Xingyi for Yulaw, and Baguazhang for Gabe.