“That is because they are, miss Rarity. Each of the Four Lines are the direct descendants of the original Four Princes, each the son of the last King of Zebrica, Zidiim VII. Prince Zaktu, of the First Line, wielder of the Purifying Flame.” His hoof comes up, briefly conjuring a small ball of red fire in his frog to demonstrate. His eyes beamed with pride as he looked into the fire, and everypony looked on with new wonder at his power before he dismissed it and continued. “Prince Zanaan of the Second Line, who commanded the Well of the Stars. Prince Zoban of the Third Line, who summoned the Frozen Blades. And Prince Zaabal of the Fourth Line, the source of the mighty Light of Order.”