946 Odin’s Forces

"Sky City's floating city is their supreme array masterpiece. Their countless floating forts and war fortresses are their outstanding weapons. Powerful arrays are needed to achieve something like that.

"Most of the mages of Sky City have some knowledge of arrays. Even when selecting apprentices to nurture, talent in the field of arrays has always been an important factor. The people recruited from outside are always alchemists that specialize in arrays. They never seek mages, as they would nurture their own. 

"Twenty years ago, the Sky City found a new plane, and it was said that this was a small-scale Wind Plane with a Heaven Rank Storm Elemental Overlord. It was so powerful that Sky City greatly suffered.

"Killing that Storm Elemental was very difficult, even for a similarly ranked powerhouse. Because of this, Sky City's development of that plane had been unable to proceed, and they kept suffering losses.