Maleficent heard him say something about seeing her fly once. She indeed turn to face him before she sat down next to him slowly while keeping her eyes on him, listening to him. She realized that they were being watched, but she didn't bother. She knew who it was and why. 

Staring out into the horizen were Legolas' icy-blue eyes as he looked to be very fixated on one spot. He did hear someone approach his side, but he kept his in front of him. He looked to be focused on his Elven eyesight as he tried to see at a far distance, possibly to monitor any dark matter stirring about. Hearing Loki greet him, the Elven prince broke his concentration to gaze at him. He respectfully exchanged the greeting with a nod of his head and a blink of his eyes. "And to you, dear friend", he responded in his calm foreboding voice. He turned his eyes back to their previous position like before. Slightly narrowing his eyes, he finally spoke. "Something stirs in the east. A sleepless malice. It's so faded, I can't tell what", he said in his usual calm voice.