The gigantic metal cannon was crystal clear, glowing with a splendid light. Although it was made from metal, with advanced techniques of Xiu Clan, it had been given a crystal-like, transparent texture. This cannon, called the ‘fort-crushing cannon’ by Xiu Clan people, was a polyhedron, shaped like an onion, and the thickest part of it was around a mile thick. The thinner part of the onion was pointing at the fence wall of the fort. In the air, thousands of long and slim, diamond-shaped flakes floated in the air, connected to each other through thin bolts of electricity.

The longest ones of these diamond-shaped flakes were around ten miles long while the shortest ones were three to five miles long. These flakes were not in exactly the same shape, but all had smooth lines, looking like delicate petals and glowing with a faint light. These flakes formed the main body of the fort-crushing cannon with the giant onion-like polyhedron behind.

Tens of Xiu Clan people had been qui