She laughed softly, turning back to the door when she heard his question. She had to admit, seeing him like this was strange and it made her laugh nervously. He was normally do brave. Reaching a hand out, she grinned up at him.
"It's called electricity. Apparently, as you can see, they now have that to power lights. No need for candles anymore. Well no need to use them constantly. It powers a lot of things."