Can I kill the minotaur?

Hint 1 of 5:

You can if you want to, but it's not necessary.

Hint 2 of 5:

There are other ways to get past him.

Hint 3 of 5:

Both magic users and thieves can use their trademark tools to pass.

Hint 4 of 5:

There's an easy way for magic users to get an enemy off their backs.

Hint 5 of 5:

Cast the calm spell.