I was in Solitude minding my own business when I thought, "Hey, perfect time for a werewolf rampage!"
I transformed and... it didn't work at all like what it was supposed to. I didn't get angry guards and civilians chasing me around trying to kill me, I could talk to everyone like normal. I could even freely kill people while incurring no ill reaction from NPCs. Also, the roar function acted like frenzy on a single guard, which all the other guards killed immediately. I have never been able to recreate this despite numerous tries.
Also, just today, I was raiding some bandits with three followers, Mjoll, Barbas, and Esbern. Something happened that turned Mjoll and Esbern hostile against Barbas... I couldn't stop the fight and had to reload because Esbern and Mjoll are essential and Barbas has god-mode activated.