It was pointed out to me by Rovewin of Athas.org, that the kwilit is mentioned in the Revised Dark Sun Boxed Set. However, they are not drawn up in that, or any other book. So, in an effort to rectify the situation, I have created the kwilit below.
Activity Cycle: Day
Intelligence: Animal (1)
No. Appearing: 1-2
Armor Class: 6
Hit Dice: 2+4
No. of Attacks: 1
Special Attack: None
Special Defense: None
Magic Resistance: Nil
Size: M (7' long)
Morale: Average (10)
XP Value: 65
Kwilit are not fierce fighters, preferring to eat carrion. However, they are able to deliver a nasty bite for 1d6 points of damage.
Kwilits are beasts of burden used often by ssurran traders. They drink one gallon of water every five days, but will need to drink an extra ten gallons at some point in a month. They store extra water in their fat, stubby tail. Kwilits can carry up to 200-hundred pounds, but can easily drag up to five times that amount. They live for up to twenty years.
Kwilits mate once a year, in sun ascending, and lay a clutch of 1-6 eggs, which hatch 2 months later. Newly hatched kwilits have 1 hit die and their bite does 1d4 points of damage. Kwilits fully mature after eight months of life.
Wild kwilits roam the wilds north of the Tablelands, seeking food and water wherever possible. They are omnivores, but prefer meat of any kind. They do not claim territory, or have permanent liars.
Kwilit young are easily domesticated and will not fight their handlers if properly fed and watered. They provide up to 145 pounds of greasy, vinegary tasting meat. The five pound blue tongue of a kwilit, however, is peppery in flavor and considered a delicacy in Draj. Kwikit eggs are inedible.