The bloated corpse of a decaying gigantic creature is necromatically enhanced and fused with an undercarriage for use as a grisly and terrifying airship. The methane gas from tissue decay keeps it buoyant in atmosphere, but it can be even more flammable than hydrogen if it escapes...
Fidlin, a gnome wizard with a paission making animals smarter and his Trusty "side-kick" Kat a greatsword weilding badger of uncommon power.
Kat, walks upright with the greatsword slug over his back, and yes he knows he has a girls name.(don't remind him)