Few even among wizards knew where the Wizarding Kingdom was located.
They reached this place aboard the Sea Train.
At that moment, out on the Atlantic Ocean, a hammer was darting back and forth through the mist.
The mist was like an endless maze.
Even experienced sailors could not find their bearings here.
The magnetic field was completely disrupted, and all sorts of transportation passages formed a tangled web.
One careless moment, and they could be swept into an unknown location.
Thor waited and waited for Mjolnir, but the hammer kept shuttling between two gates.
Within the mist, a castle floating in the sky flashed briefly into view.
The snores of sleeping dragons echoed inside it.
Mjolnir changed direction and flew toward the castle.
As it approached, a black dragon lay sleeping there.
It happened without warning.
The hammer flew straight toward the dragon's backside.
Wham! It struck the dragon's rear, drawing a piercing roar.
After that, chaos erupted inside Dragon Castle.
One dragon after another was startled awake.
An enormous claw slapped down on Mjolnir, and the furious black dragon unleashed a blast of scorching dragonfire.
Mjolnir trembled as it struggled, dragging even the dragon along.
Meanwhile, Thor was still trying to summon Mjolnir.
He was baffled. Why wouldn't his Mjolnir come to him here?
He had no idea that Mjolnir had thrown Dragon Castle inside the mist into utter pandemonium.
While he brooded, someone shoved a beer mug the size of a head into his hand.
With Hagrid's enormous frame, the mug fit him perfectly. He gulped down what amounted to a bucket of beer in one go.
At the sight of beer, Thor temporarily forgot about Mjolnir.
Wanda was swept up in the atmosphere too.
By midnight, Thor and Hagrid were calling each other brothers.
Wanda had