<p>　　King Sombra曾经统治小马国边缘的水晶王国，带来了无尽的苦难。后来他被塞拉斯迪亚公主和露娜公主联合击败，变成阴影，并被放逐。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;　　一千年后，King Sombra卷土重来，想要重新统治水晶王国。大公主希望暮光闪闪一行去保护水晶王国，免受King Sombra的再度袭击。他们克服重重困难和阻挠，去保护水晶王国，并让那里再度恢复生机。</p>