"I think he is sensing more mana than he was before." Su pointed out the fact that Walker was making slight movements every time that there was some movement in the water. Like he was making his mind one with it so that he could tell if there were any dangers within.
"I would say you are right, there are plenty of water spirits that are coming to see him. I thought that we wouldn't see any." Since Gil saw the shapes of water spirits moving in and around the water, he realized that they had all been focused on Walker. Like they were talking using just mana.
While the world had given everyone the ability to communicate no matter the language, this was different. This was purely using elemental manas and not words. Conveying information and not spoken words or traditional communication in the least.
