In Age of Empires II, Siphons is a naval technology researched at the University. Fire Ships gain an explosive charge attack.
Plan Siphons in the Upgrade Codex →
Effect
Fire Ships gain an explosive charge attack.
Cost
100 food
175 gold⏱ 45s
Where to research
Researched at the University.
Required for
Siphons is a prerequisite for this upgrade:
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