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I've thought it through and come to the conclusion that Life magic is a VERY good magic. And when you add nature to it, it's even better. For example: You have 10 angels. You cast "Guardian Angel" (if you level up Life magic well, you'll get 10 little angels) + Dragon Strength + Blessing + Regeneration + Serpent Strike + ... = A mega unit, stronger than 10 Death Knights! And while you're killing the little angels (and there are 10 of them, which is like having ten angels in reserve:D), you're also benefiting. This leads to the conclusion: Life is still a worthy faction!