Line of Sight is a term in Age of Empires Online that describes the maximum distance that a Unit or Buildings can "see" through the "Fog of War" or undiscovered terrain. There are various upgrades that allow a building or units to see further.
Milestones that affect Line of Sight[]
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| Lookouts | Overwatch | Town Patrol | Spotters | Reconnaisance |
Technologies that affect Line of Sight[]
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| Town Watch | Marksmanship | Improved Fletching | Divine Vision | Chariot Archer Champion (Babylonian) |
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| Sight of the Sun | Palintonon Champion | Slinger Champion (Egyptian) | Code of Hammurabi | Eye of Wodan | Balearic Slinger Champion |
Advisors that affect Line of Sight[]
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| Trajectory Specialist Timo | Darius |
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| General Heron | Good Sailor Ammon | Fort Lieutenant Xanthe |