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Beta only Hardened swords was available in Closed beta, but does not exist in the VIP version of the game. The article is being kept for historic purposes. The VIP version of Hardened swords can be found here.

Hardened swords is a research topic which increases the overall stats of your sword carrying units, Swordsmen, Phalanxes and Gladiis, and adds +1 to attack and defence against infantry and vehicle.

Name Picture Required Research Facility Time Gold Prerequisites Rewards
Hardened Swords Hardened Swords Research Icon.png Library - 4 ? 300 Barracks
Improves: Swordsmen, Phalanxes, and Gladiis