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Unlike the Renovation Kit, a One-Up Kit will only move your applicable building up one era at a time. The Mikawak Bridge is only an example, the Renovation Kit will work in the same way on any applicable building.
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This will immediately change its production to be for LMA items. If you use the Renovation Kit on the EMA Mikawa Bridge while you’re in LMA it will move the Mikawa Bridge into LMA. Your Mikawa Bridge is still producing EMA goods for you and you’d honestly prefer if it were making LMA goods. Now, in sixth months we’ll say, you’ve moved up in era twice and you’re now LMA.
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So this bridge is giving you EMA goods because that’s the era it is. So if you won an event item, lets say the Mikawa Bridge since that’s the most recent event that happened (Spring 2020), and you planted it while you were in EMA. Specifically, this kit will take any building it is applicable to be used for and bring it up to your current era. You don’t see them often, and you will want to be frugal with when you use them (as in don’t just bring things to current age willy-nilly). The Renovation Kit is arguably one of the most important resources in the game, and as such is also one of the harder ones to obtain. We’re going to start with the main two ways though, and then we can review that odd-ball third way because it specifically might impact plans on when you age up.
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The third way is a little more outside-the-box, but worth keeping in mind as well, and that would be specific building upgrades. There are two main ways to accomplish this: Renovation Kits and One-Up Kits. Basically, is it in your best strategic interests to raise that era-specific building up to current era, or not? That’s a tough decision that can take a lot of thought (at least at first), and will ultimately be influenced by your personal play style, but once you make the decision how do you bring the building up? Some items are going to fall out of favor for newer, better things, some things remain static, and then other things do best if you bring them up to current era with you. When it comes to building up your city, the first part is earning all the cool stuff from quests and events to make it spiffy and give you the good things in FoE life.
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