Importal, unbeatable, unbreakable, just a stairs, killed Kuina and Mari + many more people.

If you have a big dream and are full of hope, your chance of surviving are 000000.1%
If you are a normal human, your chance of surviving are 30%
If you are a depressed human that want to end it all, your chance of surviving are 200%
If you are an animal beside human your chance of surviving are 80%
If you are not human but look like one, You still count as a human
If you are an object then you live