Like all common memedi, uwil were harmless and avoided all combat.
Uwil were the most intelligent of all memedi. They were sought out by humans for advice and counsel. Uwil shared their wisdom with any human who treated them kindly and with respect, and offered nourishment for their bat companions, in the form of a stalactite covered in gems. They lived with up to four bats. These bats were identical to regular bats except they were pure white and consumed only stalactites. 
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Rick Swan (July 1990). Monstrous Compendium Kara-Tur Appendix. (TSR, Inc.), pp. 40–41. ISBN 0-88038-851-X.
- ↑ Mike Pondsmith, Jay Batista, Rick Swan, John Nephew, Deborah Christian (1988). Kara-Tur: The Eastern Realms (Volume II). (TSR, Inc), pp. 115–116. ISBN 0-88038-608-8.