Prologue: The one who searches

The one who announces the start

The one chosen by the Lion

Those who drift

The one who returns from the waters of Chaos

Epilogue: The one who orders the search

The Great Prologue

The Youth of Gold

The One Who Moans

The One Who Severs Light

Those Who Gather

The Holy War

The One of Ebony

The One Who Subdues Winds

The One Who Breaks Armours

The One Who Makes Cloths

Saga's Story

The One of Aries

The Being Who Brings Other Worlds

The Liberator

The Just One

The Omen

The Giant Being

The One with the Golden Fang

The Evil One

The One Who Guides to the World of the Dead

The Golden Wings

Those who respond to the call

From Ancient Time

The Next Generation

Youth of Destiny

Overcome Destiny

The Protector

Empire of Gods

He Who Was Marked by Mythology

The Shining Sword

The Arrival

Those Who Kindle the Symbol

The One Who Severs Stars

The One Who Grants the Sacred Sword

The Deep Ones

The One Who Stands in the Way

The Sealed One

The One Who Uses Lightning

The One Without Wings

The Fast One

The One Who Convicts

The One of Herculean Strength

Creating the Ever-Changing Being

The One Who Provokes Perpetual Change

Illustrative Gallery

The One Who Chooses His Gods

The One Who Steals Saints

The One of the Iron of Death

The One Who Scents the Air

The One Who Creates the Path to Victory

The One Who Stands at the Limit

The One Chosen by the Gods

The One Who Creates Whirlwinds

The One Who Pays With Sacrifice

The One Who Believes in the Future

The One Who Succeeds the Cosmo

The One Who Moves Around Time

The One Who Carries the Universe

The One Who Does Not Possess a Heart

The One Who Knows his True Form

The One Who Saves Everything

The One Who Stops the Tears of Blood

The One Who Continues to be God

The One Who Breaks Bonds

Those Who Cross Swords

The One Who Draws His Soul

The Ones Who Cross Swords

Those who sever ties

The One Who Inherits His Technique

The One Who Understands All

Epilogue / Special chapter: Embarking on a journey

In ancient times, the Titan Cronos (son of Uranus the sky and Gaia the earth) and his wife Rhea gave birth to six children. Five of them were swallowed by Cronos, and only one was saved, Zeus, hidden from Cronos by Rhea. Upon reaching adulthood, Zeus forces his father to vomit the other five gods. Zeus, along with his brothers and sisters, decide to battle the Titans for control of the universe. Cronos and the other eleven Titans lose the battle and are sent to Tartarus.
 
Thousands of year later, in Greece, the Pope visits the room of the recently reincarnated infant Athena, with a golden dagger. Before he can kill her, the Gold Saint Saggitarius Aiolos saves her, and unmasks the Pope. Aiolos, horrified, flees. The Pope declares him a traitor to the Sanctuary, and has Capricorn Shura murder him. This causes his younger brother, Leo Aiolia, to grow under the shadow of his "traitor" brother, suffering from all manner of abuse and scorn. This leaves him with a grudge against the Gold Saints and Sanctuary as a whole, which causes the Pope and most of the Sanctuary to distrust him. To make things worse, the enemies of God Zeus, the Titans, are revived and begin to seek vengeance against him and the Sanctuary. This marks the start of Aiolia's story and the battle of the Gold Saints against the Titans.
 
(Source: Wikipedia)
 
Note: The chapter count includes 87 regular chapters, 20 "Gaiden" extra chapters, and an epilogue that was omitted from collected volume releases.