Each metal disc was the size of a palm. The three were made from different metals, each emitting a distinct luster.0

As soon as Du Bai picked them up, he felt as if there was energy flowing within them, which was quite peculiar. Upon closer inspection, he saw that each metal disc was engraved with different, intricate patterns with a mysterious charm.0

“What are these?”0

Tang San explained, "These are array discs. Each one can deploy a specific array. So, in battle, you can use these discs to deploy arrays and support us from the rear. However, you must conceal the discs and make sure nobody sees them during the deployment. To everyone else, it should appear like you're an array master who can directly cast arrays. Do you understand what I mean?"0

"I've heard of array discs before. I think our teachers mentioned that someone created a very precious...0