They believed that they were gifted with the ability to use magic, and called to use that gift for the protection of civilization from the powers of evil. Most of the Watchers were destroyed along with the Knights of the Chalice, but since they were already cloaked in secrecy many of the Watchers had an easier time surviving this purge. Their primary focus in these days is to watch for the appearance of individuals with the gift for magic, so that they may be recruited and trained. Because of the rarity of wizards before Night and the prevalence of tanar'ri with their spell-like and genuine wizardly abilities, most people view human wizards as evil beings in league with the power of Night. This is not always false, and not always a bad thing, but it does mean that PC wizards will usually be met with suspicion and superstitious fear.
Sorcerers are beings imbued with supernatural power from abyssal sources.
Tieflings are the most common sorcerers in the Canyon, though individuals with sorcerous talent are increasingly born among the other races as the influence of Night corrupts the world. Sorcerers are not necessarily evil or aligned with Night, but many find themselves leaning in that direction if they ever misuse their powers. In ancient times, under the Empire of Elden Faere, bards were a powerful and organized force in the world. United into colleges, the bards of Elden Faere acted as political advisors, diplomats, and mediators. With the fall of Elden Faere, the bardic colleges gradually crumbled, and survive today only in the names of some bardic fraternities.