Scorpio

Scorpio 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
At the foot of the Saint Twin Brothers, The Tree of Justice Plunges its ancient roots, Scarred by heavenly wrath.

Second riddle
Sanctuary of Bishops by birth, Stronghold of knowledge for life, The stoney edifice Fools the senses by its name.

Third riddle
A square with shifting name, Replaced a field where sovereign Was felled from horse. Now arches enclose trees Where a bronze horseman waits.

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

Reference

 * Assassin's Creed: Unity