Sejuani was weaned on hardship and reared on barbarity. Where others succumbed to the harshness of the Freljord, she was tempered by it until pain became power, hunger an encouragement, and frost an ally in culling the weak. Through her ordeals, she learned that to thrive in the endless winter, one must become just as cold and unforgiving. In Sejuani's eyes, her followers either have the mettle to endure or the right to die. Once she has conquered the Freljord, she knows that those who survive will form a nation to be feared.
As a child, the leader of the Winter's Claw watched her tribe's numbers slowly dwindle. Cold and starvation took all but the most resilient. She was the only one of her siblings to survive to her tenth year, leaving Sejuani sure that she too would die in misery. In desperation, she sought spiritual counsel from her tribe's mystic. But the seer did not foretell Sejuani's death. Instead, she prophesized that Sejuani would one day conquer and unite the divided tribes of the Freljord.
Source: The Publisher Website.