The undying demon

1000 years ago a demon lead an army on the conquer of the human realm, they lost the battle, the Demon lord got slayed.
in the actuallity the demon lord ressurect from the death, get to fullfill his purpose by opening the gate of hell, gather a new army and conquer the human realm once and for all.
Four warriors were trained for a prophecy
Julie: Summoned from another dimension
Allei: A tempered woman with great magical power
Driu: An expert in weapons, trained by monks
Gearl: Strong, fast, great combat hability but clumsy