((some people are just anal about NPCs they create, so I ussually do handsoff to avoid being yelled at heh))
Diablo watched the child's action, and a glimmer of amusement rose in him. Was he that terrifying looking? Well, to a child he could be. He knew he was inporportionate by a human's standands, being so long and skinny. Combine that with the tatooing on his face, and any overactive imagination could make him into a monster. Yet the Elemental had a genuine fondness for children, the pure and as-of-yet uncorrupted youth of this world.
Going to one knee, he found the lowered him to equal height with the girl, at least that was something. Being taller intimidated children, evening the height helped them calm. He remembered that much from when he had a family, when he had brothers and sisters that he helped calm with his mother and father. He couldn't naturally smile, he couldn't even get himself to feel more than ghosts of emotion. So what he did was fix his face into what could be amusement, the corners of his lips turned up slighty. For those who were familiar with his constant lackluster in facial expressions and emotion, it was expressive for him.
"I'm Diablo. I saved you from the men. We're taking you somewhere nice, if we can find somewhere nice."
On the child's part, she seemed somewhat soothed and almost relieved by these words. Her posture relaxed somewhat, the look of fear fading at least.