Bio of the forgotten exprement

The Great titian war where goijras fought other titans to maintain their dominance. Where those who wanted to live peacefully had to leave their lands to avoid becoming a casualty. A time where children hatched, mear moments in their lifes and had to watch their parents dying. A time when parents children were killed in front of them with them being incapable of doing anything about it. A time where the beautiful pardise of the hollow earth home of all titans became a hell. The moment where the titans had leave their brith place to the surface for a better life. A unhabitable wastelands of worthlessness that the titans had suffer in. They escaped a hell only to enter another hell. How fate tortures them ? Will there angel in three heads come and lead them to salvation. Only time and interpretation will define the answer.