It's still a damn mytery how he got in there. If you look closely at the Amaterasu. It follows inside the building. which is where he was hiding/attacking from. The place where you can see me talking is the limit of how much you can go down. So somehow he got even further in there.
And you can see that he's on Inferno fire on the 2nd pic. No idea how he got there either. I already told Ozirus, I'm not a snitching type, but I don't like it when people are abusing glitches willingly. I'd rather have people play this game clean.