Newt Scamander: My philosophy is if you worry, you suffer twice.
Queenie: She's a taker, you need a giver.
Jacob Kowalski: I don't think I'm dreaming.
Newt Scamander: What gave it away?
Jacob Kowalski: I ain't got the brains to make this up.
Mary Lou: Are you a seeker, a seeker of truth?
Newt Scamander: More of a chaser.
Chosen answer: Erumpents cannot change their size, however the suitcase is itself enchanted to allow objects of any size to enter and exit its magically expanded interior. Newt's presence is not required for this.
Phixius ★