I'm pretty sure this glitch isn't exclusive to AGZ.
I've had this happen multiple times to me.
Apparently... if you jump from this gargoyle to the platform above whilst moving forward a bit... you can stay in the spinning animation
I tried this with no wads also and it occurs too
Uh, just because it always occurs doesn't make it any less of a bug. This is clearly unintended behavior.It always occurs, that's normal.