Killmonger and T'Challa in “Unfinished Business”

Killmonger

I did what I had to do.

T'Challa

For what? A throne?

Killmonger

For vengeance. For my father. And for all my brothers and sisters who suffered through oppression while you just sat back and watched.

T'Challa

You believe the cure for human suffering is more suffering.

Killmonger

The cure is power. And now, I have it.

T'Challa

Because you stole it. Power, unearned, can be a be a very volatile force, cousin. It will get the best of you eventually. On your plane, or on ours.