Children Of The Celestials

Long Ago, the world was filled with darkness. No light, no balance.
Zeus, the Almighty God decided to make guardians, to fight away the darkness. He made these 12
Guardians under his power and named them as the Celestials
Aries, Guardian of Fire
Capricorn, Guardian of Water
Taurus, Guardian of Earth
Gemini, Guardian of Air
Cassiopeia, Guardian of Light
Scorpio, Guardian of Thunder
Sagittarius, Guardian of Elemental Weaponry
Leo, Guardian of Electricity
Virgo, Guardian of Ice
Cancer, Guardian of Nature
Libra, Guardian of Music
Pisces, Guardian of Spells
For Centuries, these 12 guardians defended the world against the Ravens, the dark forces. But the time came, when they have to step down and pass their responsibilities to the next Celestials, their Children.
Can they make it?
Especially when one Celestial Child is missing