Element 2

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

Element 3

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

Element 4

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

Element 5

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

Element 6

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

Element 7

Element 8

Element 9

Element 10

Element 11

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Element 14