This book is the compelling finale to the series. The battle has realistic losses and injuries, and it shows the tenseness of war. The half-bloods are nearly defeated, but a hero-turned-enemy becomes a hero, by sacrificing himself. This book teaches about cost. Kronos fell, but it cost them a truly great hero, and many others. All were united, at the cost of many falling for the cause. The prophecy comes true, however it was Luke's days whose were numbered, not Percy. As midnight passed on Percy's birthday, the story of 5 books all comes together in a beautiful, touching end to the Percy Jackson and the Olympians book.

This book is the compelling finale to the series. The battle has realistic losses and injuries, and it shows the tenseness of war. The half-bloods are nearly defeated, but a hero-turned-enemy becomes a hero, by sacrificing himself. This book teaches about cost. Kronos fell, but it cost them a truly great hero, and many others. All were united, at the cost of many falling for the cause. The prophecy comes true, however it was Luke's days whose were numbered, not Percy. As midnight passed on Percy's birthday, the story of 5 books all comes together in a beautiful, touching end to the Percy Jackson and the Olympians book.