you were invited to Asgard by Odin, to help him find out about the truth of everything ever made. You are climbing up a huge stone wall, and after about an hour, you were about to reach the top until a hand grabs on to your wrist. They show their face and you see that it is Heimdall of the Aesir So…what part of the enormous wall, made you think “oh! Visitors must be welcome!” he glares at you