141 I gather my troops and position them near the opponent's castle, but for some reason, he leaves it empty and runs off to replenish his mana.
For future reference for Iamsamstan: the advantage of the blue color is that if you pass your turn (for example, by spending the night in a castle with a built guild), even if you are attacked, your mana will be fully restored! This is the "charm" of the blue color.