2. Element 2

Helena's on the run from Nerva’s scouts, when she meets a new ally: Meiyin.

3. Element 3

Helena makes allies in a treetop village, and travels to a Pteranodon den.

4. Element 4

Helena and her friends devise a daring plan to liberate prisoners.

5. Element 5

Nerva unleashes a punishing surprise-attack against John's village.

6. Element 6

Helena, John and Henry risk everything to rescue Meiyin from Nerva.

7. Element 7

8. Element 8

9. Element 9

10. Element 10

11. Element 11

12. Element 12

13. Element 13

14. Element 14