God Learners haven't had enough time to study them and to ascertain whether they were related to Slarges, to Lascerdans, or both. The general opinion amongst Umathings is that they are related to Slarges and are hence monsters. People living in the wild, however, like hermits and fur trappers, have been known to befriend Varanids. Female Varanids are especially curious of human tools and implements.
Illustration from Cédric's Hors du chaudron de Koscista Noga blog.