Escape from Celestial picks up right where Heroes of the Siege left off as Steve and Prince Silas engage in a violent swordfight. After the duel, the heroes embark on an adventure to distant lands. They battle against vicious new monsters, but also make powerful new friends. Steve, Ty, and Kari will also begin to learn surprising details about the mysterious person who led the assault on Celestial – the Hooded Phantom.