275 Demon of Calamity

That was the forewarning of an underwater volcano eruption.

In that instant, for one brief moment, Nielson felt that everything was beyond reasoning.

What in the world was going on? How was there an underwater volcano in this region? When Sapphire Port was founded, several great mages had explored the area over hundreds of miles in radius. They were confident that there was no danger in the vicinity before they gave the green light for the port to be built in that area. Only a huge typhoon that only pass by once in a century will cause a tsunami that might pose a threat to the port.