Jake simply waited for the situation to happen. "Okay, sorry about this old bean. Maybe I can make it up to you one day. . . " Jake then stabbed him straight through his single eye, all the way through so the hilt pushed against the monster's cornea. He cut downward in a slicing movement and jerked it out of his eye. . . If it survived he might restore the eye if he met him again. . . and his brain matter, for that, well, matter. No pun intended.