Lacking pronouns entirely would have been a good feature for Tlhingan Hol (Klingon), since it's supposed to have features that are very rare in Human languages. But in fact, it has a pretty normal set of pronouns, numbered but not gendered. Third-person pronouns also agree with noun-class (sentient/non-sentient/body-part, in Klingon, though unlike for plurals it lumps non-sentient and body part together for pronouns).