Each character in "Sine Requie: Snake Eyes" is defined among other things by a series of Traits that may help or hinder them depending on the context. Traits and personality are determined by the character's role and by a tarot card, called its Dominant Tarot. Each trait is part of a larger category, allowing you to replace a fallen comrade with another character that, while being a different person, possesses similar abilities.

Furthermore, these larger categories are useful when determining how a character's traits can influence a test: having several traits belonging to an applicable category will increase your chances!

via GIPHY