The secrets of the Lion War are uncovered in this book.

[Person]
	'Elidibs'

Elidibs
A great magician who fought against the Romanda Army during the height of the Fifty Year War. He was essential in the kingdom's victory, using many black magic and summon magic that he studied from old teachings. Disappeared during the recapture of Riovanes Castle. Is Lucavi, who was in the deep dungeon, actually the hero, Elidibs?
  It is a mystery...

 Serpentarius
13th Zodiac Stone. Added to the 12 original Zodiac Signs.
It represents the 'Snake'. Acquired after beating Elidibs.