so, I am doing the main quest right now. there are more bugs than every other quest, that's for sure. I was doing "the fallen", this dragon, Odahviig, he kept refilling his health somehow, I defeated him four times and then I realized this was a bug. also he started to floating around, not flying. anyways I solved this problem by a console command and moved on. I started doing The World-Eater's Eyrie, now I need to free Odahviig, talk to him and fly to some other place with him, but the problem is he's kinda.. invisible.
I did my research but couldn't find an answer to this, nobody seems to have this bug. I wonder if it's about using a console command for the previous quest. anyone?