U N B R E A K A B L E

Unbreakable. That's how people consider him. Mind and soul made of steel, heart - if he has one - made of stone.

Or maybe diamond, you could say. As hard as it can be; can scratch everything and remain untouched.

But diamonds are beautiful, and it is not a word describing his soul or heart. Robots are not beautiful. They are cold, cruel and merciless.
An ugly, menacing diamond? Possibly.

Even diamonds aren't unbreakable, though. They are crusty, when pressure is applied in a right spot.

He thought he could break her. Surprisingly, she was the one who defeated him. She had melted him, and then - froze at an instant. He became a fragile form.

She was expected to be the exploited one. But the tables had turned. Then he crossed one particular bridge. And later, burned it.
Diamond replaced his heart, diamond that was obsidian black.

Broken, he showed he was unbreakable. He had gathered all the broken parts and sewed them together, without a flaw.
He became cold again. And vengeful.

And this time, positively unbreakable.

A/N: Written quite a long time ago, but now I have time to post it. Angsty, of course.