| This article is about the stone defense armor class. For general information about defensive buildings, see Defensive structure. |
The stone defense armor class is an armor class in Age of Empires II. All units that have an attack bonus against this class deal bonus damage against buildings with this armor class.
Stone defense buildings 
Edit
The following buildings have the stone defense armor class and take bonus damage from attacks against this class.
Anti-stone defense units Edit
The following units have an attack bonus against the stone defense armor class. They are sorted descending by the amount of bonus damage they deal.
+40 bonus attack
+12 bonus attack
- Tarkan - Elite Tarkan (Huns only)
+10 bonus attack
+7 bonus attack
- Battle Elephant
- War Elephant (Persians only)
+6 bonus attack
+4 bonus attack
- Elite Elephant Archer (Indians only)
- Elite Ballista Elephant (Khmer only)
+3 bonus attack
- Elephant Archer (Indians only)
- Ballista Elephant (Khmer only)
Technologies Edit
The following technologies give the following units an attack bonus against stone defenses:
- Sappers
- +15 bonus attack
- Obsidian Arrows (Mayans only):
- +6 bonus attack
