The speed that Current was moving at was fairly intense compared to what the party was sued to. Walker used his ability to manipulate the wind mana around them and create a shield that buffered them to a degree.
The echidna were not as experienced moving like this, but they clearly had their own ways of being able to resist this. Yet, when Walker glanced at them, he found that they were seemingly meditating. More like they were sending prayers to the world and looking for guidance.
While this was odd in a way, Walker knew that the echidna were very important to the world. He could tell that they had comprehended and were able to be some of the first to get to what they called the true flow. It was a feeling and a something he could see.