What happened to the guy in the yellow shirt? I saw this vid

Anyone know what happened here? It can't be a Blood Moon, since

I was following the steps to fuse to the MSG sword and this happened…

I was gonna ascend to snipe his eyes And the I was also listening

That really happened, right?

Someone tell me wtf happened 😭

Was hunting for shrines when this happened. I played through

Found a friend lol dk how it happened but I lovr him XD

I can’t believe this happened. This game is truly magical.

Kinda rude but okay

Is this normal? post op a little over 9 weeks this happened a