关于鬼泣3的开场动画的问题~了解的进一下!拜托~~!!

You've heard of it haven't you? The legend of sparda.
你听说过sparda的传说么？
When I was young, my father would tell me stories about it. Long ago in acient times, the demon rebelled against his own kind for the sake of the human race. With his sword, he shut the portal to the demonic realm and sealed the evil entities off form our human world. But since he's demon himself, his power was also trapped on the other side.
当我很小的时候，我的父亲总会给我讲这些故事。在很早的远古时代，一个恶魔为了人类背叛了自己的种族。他用自己的剑关闭了恶魔的大门并且将恶魔的实体封印在人界的另一边。但是由于他自己也是个恶魔，所以他的力量也被封印在那一边。
Huh, I never believed that. I thought it was just a child's fairy tale. But I had discovered this so called legend wasn't a myth at all. Sparda existed. How do I know? Well, I met the sons of sparda, both of them. Though the same blood of their father flowed through their veins. The two battled each other fiercely like arch enemies. It seemed as if they derived same sort of twisted pleasure from this brotherly fighting. But in th