How to tell if a character will die in SnK: Your Guide

Does the character have a name?

No: They are probably gonna die
Yes: They are probably gonna die

Do they have a backstory?

No: They are probably gonna die
Yes: They are probably gonna die

Are they vial to the plot?

No: They are probably gonna die
Yes: They are probably gonna die

Is it someone who has taken over your life?

No: They are probably gonna die
Yes: They are probably gonna die and your soul, hopes, dreams, and ambitions will, too