'" One day Arc wakes up in the world of his favorite MMORPG...and discovers that he''s become exactly like his game character, a heroic knight who just so happens to be a skeleton! The whole skull-for-a-head thing is maybe going to be a problem. Arc resolves to keep a low profile, lest anyone mistake him for a monster, but he can''t quite manage to turn a blind eye to the troubles of his new world. Adventure awaits, and the Skeleton Knight will be there to meet it! "'

Finally arriving at the magical spring that might cure his curse, Arc is astonished to find it is a hot spring! Deciding to give his weary bones a rest, he and Ponta dive right in--only to encounter something entirely unexpected. Meanwhile, Princess Yuriarna challenges Prince Sekt's underhanded bid to take control of the Kingdom. With royalty facing off against royalty, who will emerge victorious?

Arc and Ariane's quest to free the enslaved elves brings them to Kaysehk, a town on the border of the Holy East Revlon Empire. There, they encounter the monster tamer Fumba, who's terrorizing Kaysehk's citizens. Outraged, and unable to control himself, Arc unleashes a new power against this deadly foe!

Having made considerable progress toward freeing all of the enslaved elves, Arc and his companions journey to the fabled Lord Crown, a mysterious forest containing a hot spring that just might be able to restore Arc's body! But the spring is guarded by a fearsome Dragon Lord who doesn't take kindly to strangers wandering into his home.

Arc and gang have arrived in Tagent, only to find it overrun by undead soldiers and dark giants! In the midst of this chaos, Chiyome is attacked by Sasuke, her fellow warrior in the Jinshin clan, who's been turned undead himself. When one of the Hilk cardinals--a formidable enemy with seemingly infinite magic--joins the fray, will this spell doom for Arc and his band of intrepid adventurers?

Thanatos has been defeated, but the war is far from over! Arc and his comrades venture into the ruins of the once holy capital, cutting their way through hordes of undead, rescuing injured civilians, even adding new companions to the party. Can they find the key to the whereabouts of the missing Cardinals? Or does only death await them at the heart of the ruined city?

Arc, Arianne, and Chiyome fight their way through hordes of undead to Nohzan's capital, seeking to save Princess Riel--but are waylaid by Cardinal Palurumo, who is revealed to have been an undead creature all along! Meanwhile, another Dragon Lord enters the stage. A gorgeous lady Dragon Lord, who's got her eye on Arc!