Truth be told, Aion wasn't that bothered that someone strong was coming to challenge him… he had become that much of a battle maniac, it seems. However, Aion was worried about the aftermath. Caelis didn't seem like someone reasonable, so the fight will be to death… and if his friends keep trying to avenge him, he will be stuck in a loop of endless battle in the best-case scenario. At worst, he will start a war.
"It is hard to say if he is stronger than Horis, and since the battle is unavoidable, then perhaps you should strike while the iron is hot," Artemisia said.
"What do you mean?" Aion asked.
"Instead of letting him challenge you, challenge him first," Artemisia said. "Determines the rules and a prize."
"Such a simple thing… it will really work?" Aion asked while frowning.
