Blood DKs still have a heartbeat and need to practice mindfulness exercises and aerobics or risk a heart attack. Of course for an undead monster a heart attack is nothing, but it does restrict their access to blood magic for until they get their heart restarted.
The reason for the iconic orcish hunchback is usually either a birth defect caused by fel corruption, the result of injury and age, or the result of working as a peon. In modern times, most commonly the hunchback is the result of birth defect, with most hunchbacked orcs being exempt from military service due to their weakened spines.
Orgrimmar doesn’t smell as bad as Alliance propaganda would have you believe, less biased travelers report the city smells intensely of Orcish and Mulgoran spices though, which are definitely an acquired taste. For a city that actually smells terrible, the forsaken have started selling nosepins for mortal visitors to Undercity who can’t stomach the bloated river corpse smell. Stormwind also smells terrible, mostly because of the sewage being dumped into the canal.
Hobgoblins make shockingly good plumbers.
Special contacts exist for both the Sin’dorei and Quel’dorei to easily engage in espionage.
Shadowmoon Mag’har are entirely the reason for Horde-Allied Races being able to become DKs.
DO NOT touch the glowy bits on a Lightforged OR Ma’nari Draenei. You will get 6th degree burns.
Draenei horns and tails actually break off incredibly easily, but also grow back incredibly fast. They’re also made entirely of cartilage, and are surprisingly soft. Unrelated, but during the 4th war, Goblins tried selling Draenei horns as an aphrodisiac to the other races of the Horde.
Mojo is basically Troll Ayahuasca.
Tauren routinely partake in Datura, and are one of the only races who can not only stomach its effects safely, but find it quite pleasurable.
The Alliance legalized mary-jane after the 4th war and Gnomes and Night Elves started numerous dispensaries around Azeroth, as a response Goblins started selling Salvia.