An EXTREMELY convenient way to get to ziplines with an optional story of gods, revenge, romance, and aerial assassinations. Strictly Ziplines takes about 10 minutes, full story takes about an hour.
Sparta was attacked by mysterious enemies. The Eagle Bearer would have a great task ahead of him/her. (The "Order of Sorcerers" is meant to be played after the quest "A Bloody Feast", from the main quest)
Exploit a quirk to teleport to sync points. Go from Megaris to Phokis to Messenia to Kythera to Mykonos to Lesbos to Elis to Makedonia to Achaia to Sparta to Knossos to Athens.