Just by all these criteria is making Ogre as one of the top-ranking monsters. Furthermore, the Ogre is a kind of war-monger monster and likes challenges. These make them have an excellent combat sense and are very aggressive.
Ogre is also categorized as one of the top food chains among other monsters. If it is not because of their low breeding speed, they will become one of the most dangerous monsters in Firuman.
"I know they are dangerous, but we also couldn't send people to their death just to reduce their number or eliminate them." said Borkins.
"Then, what did you suggest?" asked Fosa.
As an elder of that living in the Endless Battlefield for a long time, he also knows the danger from the groups of Ogre could give. Since the Ogre lives deep inside the Dark Forest, they may not be able to attack the Black Fortress as there is a great distance between them.