The plane channel had slowed down.
Rhode felt a sudden headache when he got this news from his younger sister. It was apparent that this wasn't good news.
The reason they fought against Chaos head-on was to buy time for his younger sister. He didn't expect that despite his side being able to hang on, there was actually a problem on his younger sister's side. Honestly, this surprised him. But what astonished him more was that the problem was on his younger sister instead.
Although Rhode thought that his younger sister was the best sister in the world who was talented and clever, he had to admit that even the most perfect younger sister couldn't handle some things. For instance, this plane channel, which was a technical job in itself.