AOE IV / Technologies
Boiling Oil
Towers and Keeps gain a boiling oil attack against nearby units that deals 30 damage.
What it does
Towers and Keeps gain a boiling oil attack against nearby units that deals 30 damage.
How it fits into a match
Research at <a href="../buildings/keep.html">Keep</a>, <a href="../buildings/compound-of-the-defender.html">Compound of the Defender</a>, <a href="../buildings/berkshire-palace.html">Berkshire Palace</a>, <a href="../buildings/the-white-tower.html">The White Tower</a>, <a href="../buildings/red-palace.html">Red Palace</a>, <a href="../buildings/elzbach-palace.html">Elzbach Palace</a>, <a href="../buildings/castle.html">Castle</a>, <a href="../buildings/castle-of-the-crow.html">Castle of the Crow</a> once its age and civilization conditions are met. The effect list shows exactly what changes; prioritize it when the units or buildings affected are part of your current plan.
- Role
- Defensive Technology
- Earliest age
- Castle Age
- Available to
- 19 civilizations
- Produced or researched at
- Keep, Compound of the Defender, Berkshire Palace, The White Tower, Red Palace, Elzbach Palace, Castle, Castle of the Crow
Research conditions
Earliest listed form for each civilization in this game-data snapshot. Unit and building statistics are shown for that form; later-age upgrades and civilization bonuses can change values.
| Civilization | Age | Cost | Time |
|---|---|---|---|
| Abbasid Dynasty | Castle Age | 500 gold, 200 stone | 90 s |
| Ayyubids | Castle Age | 500 gold, 200 stone | 90 s |
| Byzantines | Castle Age | 500 gold, 200 stone | 90 s |
| Chinese | Castle Age | 500 gold, 200 stone | 90 s |
| Delhi Sultanate | Castle Age | No resource cost | 450 s |
| English | Castle Age | 500 gold, 200 stone | 90 s |
| French | Castle Age | 500 gold, 200 stone | 90 s |
| House of Lancaster | Castle Age | 500 gold, 200 stone | 90 s |
| Holy Roman Empire | Castle Age | 500 gold, 200 stone | 90 s |
| Japanese | Castle Age | 500 gold, 200 stone | 90 s |
| Jeanne d'Arc | Castle Age | 500 gold, 200 stone | 90 s |
| The Knights Templar | Castle Age | 500 gold, 200 stone | 90 s |
| Malians | Castle Age | 500 gold, 200 stone | 90 s |
| Macedonian Dynasty | Castle Age | 500 gold, 200 stone | 90 s |
| Order of the Dragon | Castle Age | 500 gold, 200 stone | 90 s |
| Ottomans | Castle Age | 500 gold, 200 stone | 90 s |
| Rus | Castle Age | 500 gold, 200 stone | 90 s |
| Sengoku Daimyo | Castle Age | 500 gold, 200 stone | 90 s |
| Zhu Xi's Legacy | Castle Age | 500 gold, 200 stone | 90 s |
