User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-26074976-20130620104736/@comment-6050823-20130621035800

Monoblos is the final urgent you unlock in the village in MH1.Diablos is a special/bonus/secret monster you unlock by making a piece of Monoblos armor.Khezu and Gravios were also special monsters you could unlock by making one part of an armor.