Upgrading Units.

Koszmar

Chieftain
Joined
Apr 30, 2012
Messages
92
When can you start to upgrade units?

I wanted to upgrade my archers to longbowmen but it there was nothing to click on. After a few more techs I was suddenly allowed to do it.

Is there a tech that must be advanced first?

Thanks.
 
As soon as you have the prerequisite tech, and are in your own borders (and have any resource needed!) and have the cash to pay for it, you should be able to upgrade your antiquated units. General tip: Don't upgrade everything! Only maybe archers to longbows in border cities, or macemen to rifles right before a big attack, etc. If you aren't going to see use from the upgrade, don't waste your money!
So yes, there is a requisite tech, for longbows specifically it is feudalism, but the requisite tech is different for each unit, pretty much. Note that units can only upgrade to the next of it's "type," and even then there are exceptions. Archers to longbowmen or crossbowmen, axes and swords to maces. As for an example of an exception: Horse Archers can be upgraded to Knights, and Chariots to Knights, but chariots cannot be upgraded to horse archers.
 
What the above poster said about the conditions necessary to upgrade.

My personal rule of thumb is I never upgrade anything that I can just build. It's not worth it. I only upgrade units that are advanced enough or have certain promotions that I can't outright build them.
 
Depends on the level you play at. At the higher levels pre-building cheaper units and doing a trade mission to finance all the upgrades can get you a relatively large army pretty fast. Up until mid level this may not be necessary as the time window to effectively utilize your fancy new units is fairly big.
 
That is very true, the pre-build units + Great Merchant trade mission + unit upgrade = formidable attack force formula can prove to be quite effective. I think it must be one of the best uses of a Great Person there is. It is a bit like using a Great Engineer to finish a wonder but the Engineer is a Merchant and the wonder is a large and advanced army, they both give a very satisfying feeling.
 
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