"If that's your intent, then you should be able to accomplish it here," Cressida nodded slowly, "You'll learn to control your blood-lust and hunger, but also your new powers. With time, you should be fine, or at least able to resist the cravings with a great degree. Mr. McColl would be the to assist with you on that, but I feel he tends to help when asked." And given that this girl was a Hydra, there was a good chance she would not ask. Independence was both their strength but also their weakness.
Cressida placed her tea cup onto its saucer as she began some inquiries, "It might become a temptation for your to seclude yourself from other students. I would advise against it. As difficult as it will be to adjust to controlling your hunger, repeated exposure will build up a tolerance to it. Human blood will always taste the finest, but you will learn to say 'no.' That will be the most powerful tool that you have."