There's no time to think, only time for instinct; part of the house is collapsing, and if she doesn't act immediately...

So she moved. Her arms worked in a circle, and a massive funnel of air began to fountain up, catching and lifting debris in a tornado of airbending, sending it up and outwards, to land harmlessly in the street.

Her presence was well and truly announced, now, so it didn't matter if she was subtle, now. With a jolt of fire behind her, she rocketed up out of the basement. She saw the grandmother in the chaos, and wrapped her arms around her, launching herself out through an opening gap in the nearest wall...