This effect is NOT one time only - Libra will rebalance Isaac's attributes whenever they are changed by an item, effect, etc. including temporary effects such as. Libra (♎) is the seventh astrological sign in the Zodiac. It spans the –th degree of the zodiac, between and degree of celestial longitude. Libra is one of the twelve astrological signs in the western zodiac. Every year, the sun is in this sign from 22 September to 21 October, and those born during this.