Answer: They could be special in-event resources that are only usable during an event. Sometimes these are removed and replaced with other resource chests or a small amount of gems. Without you naming which resources you are referring to, it’s hard to comment exactly though.
Some extra relevant information:
Have you noticed that some of your resources in Rise of Kingdoms are locked and you can’t use them? Don’t worry, you’re not alone. This is a common occurrence in the game, and there are a few reasons why this might be happening.
One possible reason is that you have reached the maximum capacity for that particular resource. Each resource in the game has a cap, and once you reach that limit, you won’t be able to collect any more of that resource until you spend or use some of it. For example, if your food storage is full, you won’t be able to gather any more food from your farms or collect food from other sources until you make room by using or upgrading buildings that require food.
Another reason why your resources may be locked is that you are in the middle of an event or upgrade that requires those resources. During certain events or when upgrading buildings and technologies, your resources may be temporarily locked until the process is complete. This is to ensure that you have enough resources to see the event or upgrade through to the end. Once it’s finished, your resources will be unlocked and available for use again.
It’s also important to note that some resources, such as speed-ups and gems, may not be usable directly from your inventory. These resources are typically used automatically when you perform certain actions, such as speeding up construction or healing injured troops. So, even though they may appear locked, they are being used in the background to help you progress in the game.
To summarize, if some of your resources in Rise of Kingdoms are locked and you can’t use them, it’s likely because you have reached the capacity limit, you are in the middle of an event or upgrade that requires those resources, or the resources are being used automatically to support your gameplay. By managing your resources wisely and keeping an eye on your capacity limits, you can ensure a smooth and efficient gaming experience.