Herostuff Stories

This is my first book so please don't hate me if it's bad. Four Heroes rises up and protects there world from the Evil Villain called Valir the Fire Bender along His Sister which is also a Villain called Ignatia, the four heroes was called out to stop the two Evil siblings from their desire of retrieving the 4 elemental gems which was hidden long ago because of how it can make a person so powerful, powerful enough to destroy anyone or anything in this world, thats why they need to stop these evil villains before they succeed on their plan of retrieving the gems and doing evil things with it.