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Initially, the race didn't inspire me; it felt like a joke. There's no balance, and the upgraded units aren't equal. For example, at level 5, you have the Mouse Queen. How can she be equal to a grown-up mouse? And how many of these queens will there be in the world? Also, the abilities at level 7 are terrible. How many of them will you need to kill if they have a total of 1350 HP? Either the price needs to be set at 25,000 for each creature to achieve some balance.
Next, let's go through the list. Level 6: I can't imagine how the units will upgrade... from a Catops to a Foxwolf and a Foxhare. If the origin of the upgrade can be understood, like they're cutting the Catops in half and swapping the parts, how do they mutate from a Catops into a Foxwolf? O_o
Now, level 4: Tell me, who would be interested in the charms of a fox? I don't think the other units are zoophiles (I imagined a seduced beast or a peasant).
The name "Foxhare Fish Wolves" is a bit unclear. Describe what it looks like.
Oh, yes, one last thing: can you tell me how the Foxhare will move and how they will attack a single unit? If attacking from two sides is understandable, here they need to bend...
In general, the race needs a lot of work. For now, I only see a joke about the heroes in general. :(