The answer is independent clause
The main verb in the following sentence is Hurt. I say this because its occurrence
Percy has to escape from Hade's kingdom, Percy came to Hades because Hades had imprisoned Percy's mother, and Hades wanted to keep Percy, and Percy has only three pearls and he also had two friends with him so he decides that he'd leave his mother because if he stayed and his mother go she'd never forgive him.
