You were left unable to walk. It's even worse than what Korra had imagined, and for a moment, she's too much in shock to even speak. If she's out of commission, with no way to recover quickly like Lord Zuko is implying, then what will happen next?

"But what if something happens and the Avatar's needed?" Korra finally asks, still trying to swallow this. It's her worst fear, failing to protect people when it's her job. One thing's certain; if this is her future, she has to find some way around her injuries. She's not going to just sit by and let them keep her from her duties.