Best Battles of the Heroes of Olympus Series

The Top Ten
1 Jason, Piper and Leo, vs Enceladus and the Earthborn (Book 1)
2 The Battle of Camp Jupiter (Book 2)
3 Piper, Jason and Leo vs Khione and Pophyrion (Book 1)
4 Greek and Roman demigods vs Gaea and her army (Book 5)
5 Percy and Jason vs Otis and Ephailtes (Book 3)
6 Percy, Jason, Annabeth, Hazel, Piper, Leo, Frank and Nico vs Clytius (Book 4)
7 Reyna vs Orion (Book 5)
8 Reyna, Hylla, Glesson and Nico vs Orion (Book 5)
9 Frank vs Katobleps (Book 4)
10 Percy, Annabeth and Bob vs Tartarus and the army of monsters (Book 4)
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