Terra

Terra was a virtual representation of one of Arno Dorian's genetic memories, relived by a Helix initiate through the Helix Navigator.

Description
Arno solved several riddles to find a part of the Nostradamus Disc.

First riddle
Hedged in her garden, A winged-warrior stands, Unmoving and unmoved, At the cross's very heart.

Second riddle
Forever more, The warrior fights her ceaseless battle. She takes aim, her steady spear Poised against the demons.

Third riddle
To be punished or to be amused, The green heritage of Daedalus Sees the lofty Bishop looming Over the resting Rook.

Outcome
Arno retrieved one of the fragments of the Nostradamus Disc.

Reference

 * Assassin's Creed: Unity