1. Percy thinks Grover is half donkey
2. The monsters (Minotaur) from Hades
3. Percy gets Grover and his mom out of the car and fights the Minotaur. Percy kills the monster with the minotaur's horn, but his mom gets killed. Then Percy drags Grover to Camp Half Blood
4 She tells him to go to the camp past the hill, but he says he won't leave without her and Grover.
5. That he was wearing boxers.
6. The monster crushes her into a yellow dust with his hand.
7. Because he is Percy's protector and because the monster is after Percy, Grover does everything to keep the monster away from Percy.
8. He sees that Grover is unconscious and takes him over the hill to the house he sees to save his best friend.
9. He remembers the Minotaur and his mom dying.