From publisher blurb:
This installment will cover a new creature known as Krylon. Krylons are an insect like race that have suddenly appeared in the Realm. Here is information on the remaining Krylons that have been spotted in the realm.
They are dangerous creatures and coming is several different forms. They will kill any creature they can for food, cows, rabbits or humans. These creatures could spell the end for the realm and all that inhabit it. Can your players defeat them or at least safe some of the realm from them.
These creatures were originally presented in Tome Of Villainy.