Age of Empires: Castle Siege

Age of Empires: Castle Siege

20 Achievements

1,000

200-300h

PC
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Flanking Tower

Flanking Tower

Upgraded an Archer Tower to level 5

40

20.05%

How to unlock the Flanking Tower achievement in Age of Empires: Castle Siege - Definitive Guide

Archer Towers require 200 wood & 5 minutes to be built.

upgrade requirements are as follows:

Level 2: 1,600 wood & 30 minutes
Level 3: 2,750 wood & 2 hours
Level 4: 4,500 stone & 6 hours
Level 5: 14,500 stone & 16 hours

you will need to reach the 5th Age before the Level 5 upgrade unlocks.
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04 Oct 2014 03:12

2 Comments
You may want to add something about needing to be at the fifth age as well since that is probably important
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By Ditto51 on 13 Nov 2014 08:52
It has been done. Thanks for the contribution.
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By QuickMythril on 13 Nov 2014 09:07

Available to upgrade at the 5th age. Requires 14,500 and 16 hours to upgrade. I would recommend burning your other resources before doing this upgrade to make sure that you’re not an easy target. 

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Available to upgrade at the 5th age. Requires 14,500 and 16 hours to upgrade. I would recommend burning your other resources before doing this upgrade to make sure that you’re not an easy target. 

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