Harry had thought he had already mastered the Space-Folding Charm quite well.
The pockets of his clothes, the Small Medicine Chest he carried, and his little bag all had Space-Folding Charms on them, greatly increasing their storage capacity.
When school started that year, Harry had gone with nothing but a small backpack and Hedwig on his shoulder. He had looked incredibly cool-at least, that was what he thought.
But the little suitcase belonging to Rolf, who looked only a few years older than him, wiped out that confidence.
The thing looked like an ordinary suitcase, yet the space inside rivaled an entire building!
Harry even suspected that, excluding its expanded spaces, Hogwarts Castle might not have as much room inside as this suitcase did.
The suitcase was divided into many different areas, with environments arranged to suit the needs of different fantastic beasts.
There were forests and grasslands, lakes and wetlands, and even deserts and ice fields.
But the most outrageous thing was that there was even a volcanic lava lake.
Harry was stunned. What on earth needed an environment like that?
Then Harry saw a Lava Salamander for the first time.
Harry had seen salamanders before. Both Muggles and wizards kept them. There had previously been a few in the Care of Magical Creatures and Research office.
Of course, those had belonged to Professor Grubbly-Plank.
Although Hagrid was also a professor of Care of Magical Creatures and Research, he hardly ever went to the office.
One of Harry's friends on Privet Drive also kept a few salamanders at home.
They were usually only palm-sized, with the larger ones reaching about half a meter in length.
At least, as far as Harry remembered, salamanders were supposed to be little creatures.
When Harry had seen those little creatures called axolotls at