Mid-year 19 in the volcano-fortress of Torchlaud and there's a siege of 72 goblins, 15 beak dogs, 24 trolls, and a human pikeman.
Black bears are slaughtered left and right outside the walls as they run like over-stuffed teddy bears in fear, or stand dumbfounded while goblins approach.
Lesson learned early on: The fort is much too complicated for it's own safety.
As the overseer struggles to remember/find/close all the entrances while watching for enemies as they approach (and dwarf stragglers who might not be inside the walls yet) on 50 z-levels of mountainside, he finally thinks everything is secure. Gates (bridges) closed, doors locked.
Wrong. As trolls are working on breaking down 3 doors and the overseer stations squads to defend the doors, he begins to wish for the security of bridges... but no, the plan for this fort is not to take full advantage of that security.
One door is opened and the squad kills the first troll with the door intact.
A second door is likewise dealt with and 2 more trolls killed.
Many goblins come in through the magma trap trapdoors... fine, that's great! Oooops, that's NOT great because overseer forgot to lock the doors on the cute little new passageway that allowed quick access to cleaning up the bodies aboveground from a previous siege. It let the goblins into the fort and they killed Momuz (crossbow dwarf on the way to station in a tower).
In all this excitement, another (neglected) door is broken down and a bunch of trolls enter. Two squads are dispatched and a nasty battle ensues, in which a sworddwarf perishes.
More squads arrive and avenge Geshud, driving all invaders before them and rushing out the broken door to chase them down. One brave civilian, was killed in the crush.
Meanwhile, the goblin incursion through the little passageway was crushed by the first 4 axe dwarfs to arrive.
At this point, the overseer was pleased to see his first ballista in action. Unfortunately, the operators are all unskilled and it was a wild miss. Fortunately, the siege has been broken at this point and it's all over but the vomiting, retching, and cleanup.
(edit: Poor old Toothless the dog has been found dead in a doorway... the dog that mauled a convicted human to death by chewing on his head, loosing teeth in the process.)