AoE4 Analyzer

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© 2026 AoE4 Analyzer. All rights reserved. · v1.1.6

Concave Lens — Holy Roman Empire — AoE4 Analyzer

Abbasid Dynasty

Delhi Sultanate

Holy Roman Empire

House of Lancaster

Knights Templar

Macedonian Dynasty

Order of the Dragon

Tughlaq Dynasty

Zhu Xi's Legacy

Adjustable Crossbars

Angled Surfaces

Civilization Guide

Holy Roman EmpireTechnologies

Concave Lens

Concave Lens

Unique

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Unit Technology

150

35060s

Increases the Line of Sight of all Units and Ships by +2 tiles.

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Researched at

Affected units

21

Battering RamAge 1

Man-at-ArmsAge 1

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Naval Arrowslits

Springald Crews

Cannon Emplacement

Springald Emplacement

Balanced Projectiles

Platecutter Point

Decarbonization

Reinforced Defenses

Serpentine Powder

Cistercian Abbeys

Inspired Warriors

Court Architects

Slate and Stone Construction

Lumber Preservation

Specialized Pick

Elite Army Tactics

Precision Cross-Breeding

Fitted Leatherwork

Fortify Outpost

Two-Handed Weapons

Herbal Medicine

Incendiary Arrows

Lightweight Beams

Military Academy

Professional Scouts

Survival Techniques

Roller Shutter Triggers

Siege Engineering

Silk Bowstrings

Demolition Ship

Counterweight Trebuchet