Needless to say, spoilers follow.
In the second post-credits scene,
Mordo confronts Pangborn.
The two fight, and
Mordo overpowers his opponent, also extracting some sort of magical essence from Pangborn.
Like this:
After this 'procedure'
Pangborn is left paralysed - like he was before he started learning magic. Mordo says the problem with this world is that there are "too many sorcerers".
How did he do that? Or rather, what did he do? I thought the magic was learned, and not intrinsic in everyone.
Does this have any precedent in related comics? Is this a power the comic Mordo is particularly known for?