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Yes, I showed the damage.
And regarding speed, I don't take into account the waiting time, because it would be too tedious – a slow unit can stand in defense while a fast unit approaches.
Firstly, it's not tedious. Secondly, defense (+4) is insignificant compared to the first attack. Thirdly, defense cannot accumulate; it can only increase once. When comparing creatures, it is essential to consider speed.
If you're going to have duels, then just charge straight ahead, like a bull at a matador.
And you can move, but first, the unit with the higher turn priority must attack.
And anyway, to kill a troll, a minotaur needs to make two consecutive attacks, and in response, it will definitely receive 1 attack, so the result will be the same.
It may turn out that the minotaur will not deal 40 damage in two attacks, i.e., the troll will heal, but this will not change the fact that it will be killed – the minotaur will be able to withstand at least 3, or even 4, attacks from the troll.