He ought not to have felt as disappointed as he did, but the advent of an Ogre Knight and its strength came with great expectations. In the sort of situation that they were in, a creature like an Ogre Knight could turn the tide all by its lonesome. Two of them would have even made their circumstances comfortable, but alas, Vol could not complain too much.
"…Troublesome," Ironbane said, dodging out of the way of another strike of the giant monster's hammer. Any time he wished to counterattack, Vol would be there to deflect the strikes. He and his monster had divided their roles perfectly. Whilst the Ogre Knight focused on attack, Vol focused on defence.
