So I start in a normal biom. I'm going good, ran low a bit on the drink at one point but I made a still. My first interesting thing that happened is my FISHCLEANER got possessed. He made some crappy yak bone animal trap engraved with beans, I just left it at the makeshift craft dwarf area I made real quick (later converted to a book keepers office) but lo and behold, a were mongoose appears. He kills one dwarf and another one as he runs toward the burrow I set up inside the fortress. While everybody is huddling in the corner of the fort, I had set the artifact trap in front of a door I locked, he bled to death. Apparently these heroes did enough damage to him. I saw that a fisher dwarf was hurt but I made a huge mistake by ignoring that. Right in the middle of my fort, he turns and goes berserk. I draft everyone and even the children get in on the action. Many of them are injured and I have learned my lesson. I halt the tombs I'm building above and make a long building. I go over each dwarf and each one with injuries I Mark QUARANTINE. I lock them inside and I wait for them to die. Several children and founding dwarves will die in that building. Altogether the werebeast will claim ten of my 32 dwarves. I make tombs for the fallen heroes, and eventually for the quarantined. I will dump the body of the human that brought me this plague into a ditch so that all may gaze upon his corpse. The dead will be honored, a workshop will be engraved in their memory, and the fortress will move on.
So 3 out of six turn and they all start killing each other, the only one left is a fisher dwarf who killed his daughter who was also a were mongoose. I keep him locked up behind a wooden door that seems to keep dissapearing. When the filthy elves come, I sieze all of their worthless goods and have the were dwarf suit up as a militia man and fight the merchant. As he was going, he transformed. One elf got away, another one died. He then killed two dwarves before they made it to the burrow. All this time I'm really preoccupied with mailing tombs. I think mass graves are in order next time. I lock him up again. I get another possession, a jet bed with spikes of jet... I put that dwarf in with the were dwarf so he could get slaughtered. My fort is going jolly when the were dwarf breaks out again and goes on a killing spree before reverting. At this point I'm gonna retire the fort and come back with a military force embark, after exploring it in adventure.