The 7 Jailers of Sea are based on the 7 Virtues. Virtue is defined as moral excellence. Virtue can accordingly be characterized as having desirable character traits, traits which direct a person to act in accord with the best possible standard. In other words, Virtues improve us towards the idealized perfection of our being. In order to be virtuous, one must continuously have virtues as habits of their character. The idea of Virtues originate with the ancient Greeks and the idea was later picked up and made a part of Christian moral theology, probably during the Medieval era. There are 2 sets of virtue: the cardinal virtues (sometimes called the classical virtues) & the theological virtues. The former originate with the ancient Greeks and the latter originates in the Bible (New Testament),