Legolas had never moved his hand far from the knife at his belt, and he immediately gripped it as he was flung against the wall. For whatever reason, though, he didn't draw it, although Riddick was close enough that he could have easily stabbed him. But he didn't. He simply kept it in his grasp, ready to strike if the man did more than he had already done. Every muscle in his body was tensed up, his excellent elven reflexes fully engaged, though he did not act.
He was proven to be justified in his actions, because the dangerous being dropped his arm and walked away. Legolas watched him go, not speaking until the very last minute he figured that he would be heard.
"Your planet and mine could be the same, now, and I could have stopped it. Goodnight, Riddick. The rooms can change. Just so you know. Just think about what you wish for it to look like, and it shall be. If you need anything, find one of the golems. They are the strange ones dressed in suits."
That fulfilled his obligations, as far as he was concerned, so he turned around once more and headed towards his own dormitory. Even though he was hungry, food could wait. It had been a long day, and what he needed more than anything else was rest.