Just when I think I might have a break from buying something from GW, they throw this little guy out there!
They say that a gang fights on its stomach, so make sure that yours is well fed by hiring the legendary Bigby Crumb. This Ratling Slopper is considered one of the finest cooks in the underhive.
– Warhammer Community
Yes, his “weapon” actually makes your enemy’s armour better! While he might not win you many fights in the underhive, his skills as a Slopper will help your fighters recover quicker, giving you an important edge in campaigns.
More information can be found on Warhammer Community – Dinnertime in the Underhive