Upon meeting Rudeus, Eris was contemptuous, impulsive, defiant, and condescending; she is also short tempered and prone to violent outbursts. It's implied that her attitude is a direct influence of her grandfather, Sauros.

During her time with Rudeus, she still maintains her violent tendencies but has greatly changed after her tenth birthday and will resort to violence to anyone who holds negative emotions and/or intentions against Rudeus. However, despite the outer aggressiveness, Eris also ha