- A tier. Reincarnated as an inanimate object.
- B tier. Reincarnated as a plant.
- C tier. Reincarnated as an animal (that cannot talk, telepathy is cheating).
- D tier. Reincarnated as an undead (a human disguise drops them to E tier).
- E tier. Reincarnated as a fantasy race (or a talking animal).
- F tier. Reincarnated into a different role or social status.
- Trash tier. Every Japanese high-schooler reincarnated as a black-haired swordsman. Korean black-haired high-school swordsmen are exempt because they all are violent trash-talking bitches, which puts them to F tier.
Someone wants to raise their Hirsch index, is all.