During the hundred years since Mo Fan left, fusion magic has become widely used among humanity. With its help, humans have gained the upper hand in their battles against demons.
But what lies in the depths of the Siren Empire, at the very bottom of the Mariana Trench?
Why does even the Siren Empire fear the Bermuda Triangle?
Will the Lord of the Sahara succeed in his plan to turn Europe into a desert?
Are there even more unknown creatures in the polar regions?
Does the Dark King of the dark plane truly have countless clones, or is there another secret?
What wonders await in the summoning plane tied to humanity?
A sword comes from beyond the planes, ready to carve a glimmer of light through the double shadows with the way of the sword.
