So I'm replaying this classic game and I'm stuck on this mission.

Basically I have to build a Hero Hall and call Perseus. Problem is, the actual hall cannot be found where you normally find it in the mythology tab. I've youtubed the mission and the hall appears where it normally does as always in the video I'm watching. But with my game, it's not there!

Does anyone have this issue??

Thanks!

ive had an issue like this where i had a temple to apollo and he killed the monster too quickly so the game didnt update to allow the hero building. only solution there is to restart and hope it triggers or destroy his temple

ok, assuming its not that lets go through the usual trouble shooting stuff

do you have mods?
did you try restarting that campaign and cheating back to that point?
does the problem happen only on the current profile or all profiles running that mission?
did you try restarting that level?
have you edited any game files?
have you tried reinstalling?