First time I saw the rubble I thought, "Bah, useless stone to turn into gems." (I didn't know at the time that they were useful) Luckily, I was lazy for about all the game.
That fort also ended spectacularly. As a little backstory, this fortress relied heavily on trade, and had legendary stonecrafters working around the clock while my smiths produced masterwork iovium weaponry. By the middle of the second year I had six dwarves armed with damascus steel and iovium while clad in a mix of mithril and steel armor. The fort was gaining vast riches very quickly. Almost too quickly. Our massive food and drink stockpiles (all bought from caravans, because my dwarves are high class and won't trudge in fields, apparently), as well as our vast riches (but most likely our sweet-ass 40000 dwarfbuck yak bone helmet) got the attention of a dragon.
Now, my last few forts have had a massive female to male population difference. This means most of my military have the ability to have children, and the inexplicable desire to care for them. Such was the case with my swordsdwarf and hammerdwarf (armed with a damascus steel scimitar and an iovium warhammer). They both carried small useless dwarves at all times. This included in the charge towards the dragon.
Issued the kill order, my dwarves charged straight for the dragon, who proceeded to bathe them in flames. My warriors dodged and blocked. This did not appear, however, to carry over to their infants, both of which got incinerated instantly.
My axedwarf lost his life in the battle, but my soldiers quickly prevailed. Then I saw the two flashing red arrows.
Then, "LadyUrist McHammerdwarf goes berserk!"
"Oh god!" I cried out as she smote an innocent mason. I ordered the military to move in.
They proceeded to die at her hands. All but one speardwarf, legs broken. In an almost too good to be true moment, he thrust his spear upwards, killing the angry, angry femdwarf. Except for the fire still raging outside, I thought everything was finally getting back to normal.
"An ambush! Curse them!"
It was them damn goblins! I watched in horror as I got that message a half dozen more times. The goblins slowly massacred my fort.
I have never felt better about losing in my life.