Everyone on Eptovea inhabits temperaments and traits relevant to their birth month, though the exact reasoning for this has not thoroughly been studied.

It is known, however, that Eptovea's orbital position has recognizable impacts on newborns' sociability, intuition, friendliness, and other forms of temperament that carry on throughout their childhood.

To understand the shifts in personalities based on birth date, twenty symbols were created based on Eptovea's twenty lunar cycles. Some are more sought after than others.

Izova is the fourth symbol and it represents both independence and autonomy—Traits that are generally admired in a modern setting, though other signs are still more common.