My Little Pony: Friendship is Magic - Image #443,598

Okay, this has to be addressed:

Sombra was a creature of pure hatred. He wasn't corrupted, he was the physical manifestation of corruption. There was no fixing him. That's why he had no personality, and that's why he crumbled under the pure power of the crystal heart. Sorry to ruin the joke, but I just had to address the misconception.

the king was a rotten apple from the start
and that is also one of the reasons he is such a good villian