What's wrong with this picture?
 

There is something wrong with this picture, what is it?
(Maybe there is an explanation I don't understand. But if I'm right, who can spot the flaw? Put your answer in white font. Image is not photo-shopped.)

The only flaw I can spot is that you cast a spell and you're still at full mana.

Otherwise, I see nothing wrong.

It is not that. He could use scroll and it does not eat mana.

robbers and priests have initiative 4, speed 2.
priest is level 2, robber is level 1.
priest goes first.

from manual
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Первыми ходят существа с более высокой Инициативой. При равенстве Инициатив - с более высокой Скоростью. При равенстве Скоростей - с более высоким уровнем. При равенстве уровней - с меньшим значением базового Здоровья. В случае если все эти параметры одинаковы - сначала ходят существа врага, затем - существа героя.
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In screenshot you can't see artifacts and regalia, that might affect unit's initiative. You can't say who should go first.

Why the wolves are in the middle of the field,but the according to the battle log they didnt move?

Movement of a unit is not recorded in the log.

You'll also notice the down arrow is clickable meaning that's not the whole log.

why does he still have full mana when he casted flaming arrow?the logg should report if a target have been hited when he had magicshield on or something?or im totally wrong?

he did not cast spell. read spoilers on first and second reply.