Is one of the best web animation series I've ever seen.
The plotline is incredible, it took a HUGE leap from the frist episode, from a simple school deliquent-themed plot, it gone to a WHOLE new sacle.
The charachters are extremely interesting, specially Xin,Andre,Ghai and Legend, their backgrounds are really well-made.
The animation also got better, it IS a little bad graphically, but the action scenes are REALLY good, and the animation is fluid.
I conclude that XIN is the best web animation ever created by man