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I played the second version – you can find it in the comments (and I recommend it to others – the first one in the header is buggy!). It was interesting (I like these challenging scenarios). No matter how hard I tried, I couldn't complete it without losses. At first, it seems impossible to rush with Knights, but by the time I got the Knights, I only lost 2 Knights. Overall, Remix shouldn't have neglected the Machines at the beginning and been so skeptical about Chaos, which is really not that great with the Knight… (in general, it seems he didn't try very hard to preserve his troops – he could have done better) + he probably played the first version, because the fact that the Knights didn't join him is a clear
bug! Machines save a lot of units, they are just useless in the late game. A lot here depends on the random skill acquisition. I got Skilled Machines and Fire Lord (perfect for destroying armor), then the Tent, which I tried my best to preserve. The spells and artifacts received after each battle are heavily scripted, unlike the skills. In the first screenshot, the army is before the first garrison – the losses are approximately 20 Knights (most of them were killed by 4 stacks of Draconians – losses of 12 Knights, and that's because one more unit couldn't join). The garrison was defeated without losses on auto-battle

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Let's see what's next...