The Torment Line. Characters that have a hundred speeds less than the enemy, can not beat him. And enemies can have animals that can always be beaten.

17:42:03 [Kain] I am angry that I can beat some animals! There is such a feeling that around war, tanks destroy settlements, warriors scream and go to death, bombs explode, on the thin end... and I lie down and tick my teeth in a rubber mango!