This is idea about starting point for transmigration/reincarnation MC
Once the main character is death in his first life.
His soul will go in the blank dimension. There's nothing and he just alone in that place.
Later, there's some kind of wheel of fortune appear in front him.
There's no explanation about it. The thing that he can do is just spin it.
1. First Spin: The world that he will born in
2. Second Spin: Timeline of world
3. Third Spin: background (It's about family or birthplace, organization, etc.)
4. Forth Spin: Talent
4.1 type of talent, it can be magic, martial art, swordsmanship, strength, intelligence, etc.
4.2 grade of talent: Start from E, E+, D, D+, C, C+, B, B+, A, A+, S
5. Fift Spin: Gift, it based kind of world he born. It can be elemental affinity in world of mage, Skill in isekai that based is innate/awaken ability.
6. Sixth Spin: Race
Once he spin all of it, he will be transfer to the new world.