You've encountered an enemy! Try attacking him with your basic attack To do so, click on the first attack button in the infopanel below, aim the attack and confirm it with a left click If you are armed with a melee weapon you will have to move close to the enemy, if you are armed with a ranged weapon you will need only line of sight, indicated by the eye icon above the enemy.
Remember, most attacks will not only cost AP. but also deplete your MP for this turn.
