First, refer the screenshot, you can see the red line.

Sion use various missile pattern..

*Dispose Thor on red line(at the bottom), Thor was not hit all missile attacks.



Sion has 2 attack patterns, Missile and Delayed thunder.

but we have best place, His missile is deadhead.

Delayed thunder is easy pattern, Just run.



Now, we know holy shi..t guy's pattern and solution.

It's time to cook him..

Crash barrier and defeat holy shi..t guy !