the first time i fight with him, i reduced him with half hp but i died and after i loaded the save i attack Alduin more more more more times, but hp never fall...
At this time i think it's a bug...
bethesda check your games before locate it...
Skyrim King of Bugs!!!!
same thing happenrd to me.....had 2 restart the mission
OwnDDaBest 1 month ago