C664
"You guys wait a few days, I want to study this Rank 5 spell!" Different arrays had different rules, so even if the array was broken, it would still have a lot of value. As for a Rank 5 transfer array, Wang Xiaohu didn't have the ability to arrange it now, but in the future, he might be able to!
Wang Xiaohu needed to observe one array pattern after another to find out its rules