Four murders. [Moriarty and each of his gunmen. Only once they are dead can he stop, can he let himself stop. By then... He knows what he'll be. He will be everything he's ever been accused of being and more. He will be beyond all hope of human compassion and any sort of redemption.

To win against Moriarty now to any degree that will satisfy him, he will have to destroy himself.

And it's worth it.] Then I'll be... [settled? happy? able to go home? no. none of those things.] content.

And none of you will hear from me again.

No more messes to be cleaned up. [Because as resentful and spiteful as he could be and as harshly as a boy's attachment to his older brother had died, he has never hated Mycroft.] Keep them safe.