In order to use Leon's series of spells.
Before Dark Doctor Strange arrived, the mages of Kamar-Taj had practically started competing with police officers and firefighters around the world for work.
And it was not just them.
The Men in Black also had Leon's newly compiled spellbook.
So the Men in Black were also frantically rescuing victims and dealing with criminals to earn the cost of casting spells.
Yelena had even suggested offering humanitarian aid services to aliens who came to Earth.
Unfortunately, even after exhausting every possible method,
there were only so many disasters to be found on Earth.
The mages and the Men in Black traveled all over the planet doing good deeds.
Yet they still could not save up enough to experience high-sequence spells.
Then Dark Doctor Strange's arrival
could be said to have opened an emergency escape route for everyone.
At first, only the mages followed Dark Strange into Hell.
Later, the Men in Black joined them as well.
When Leon entered the gap between Small Worlds,
he saw a pocket space several kilometers in diameter.
The barriers of the space were formed from six-colored energy: blue, yellow, orange, purple, green, and red.
Those were the colors of Divine Kingdom Dimension energy.
After Leon refined the energy Dark Doctor Strange had gained by devouring dimensional creatures, it took on that six-colored form.
Yet even though the nature of the energy in his body had changed,
Dark Strange's dark circles had not faded in the slightest. He still looked like a zombie.
Within this pocket space,
only a handful of mages sat cross-legged, resting.
They surrounded a pitch-black passage, their bodies covered in wounds deep enough to expose bone.
If such injuries had been inflicted on ordinary people, they would likely already be on their deathbeds.
Yet