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Can I add my idea here? I was thinking about it last night and today, and a crystal came to mind. I want to see the ice castle as a crystal. As an individual hero ability, I suggest ice magic. Naturally, 5 levels. From this, it follows that: we should remove the owl, the ranger, Bigfoot, the riders, and raise the golem to the fifth level, and place the crystal guardian there. A mage who can cast some chaos spells (like Ring of Cold) and ice spells. Guys, what race doesn't have a mage?