He arrived to take him to princess sterling, princess of the silver dragons. She needed help to find the stolen dragon egg! Geronimo and Sterling went on a trip and Geronimo found firebreather III Stole the egg! He found it out by clues. Therefore, they sneaked into the troll's kitchen and got the egg. The egg hatched while they were fighting! Geronimo said, "What are we fighting for? The egg just hatch!" And they agreed on that and stopped the battle. Then he went home, and played with his nephew Benjamin. 

=> Corrected : The sentence is corrected grammatically.