Alright, so I have three options for the end of my novella.

Idea #1
When Tadix is put in jail, no one comes to rescue him. He stays there for many days, while Koon and Hofwu wonder what’s happened to him. Because Hofwu didn’t return to Aeloo, his country attacks Ilakiool to retake their ambassador.
Finally, when war reaches the city, they use the confusion to rescue Tadix, bearing news that his family was driven off by soldiers. Tadix suggests that they hide in an abandoned castle that he found once, and the others follow his idea.
Once inside the castle, they wait. Unfortunately, soldiers discover the castle ruins, and inspect it for the ambassador. There’s a fight, and the castle begins to fall apart. Tadix keeps the soldiers occupied while the others escape. No one finds out whether or not he lives, and the book ends
Idea #2
When Tadix is put in jail, no one comes to rescue him. He stays there for many days, while Koon and Hofwu wonder what’s happened to him. Because Hofwu didn’t return to Aeloo, his country attacks Ilakiool to retake their ambassador.
Finally, when war reaches the city, they use the confusion to rescue Tadix, and they all manage to escape. Tadix suggests that they hide on board a merchant vessel, and the others follow his idea.
Tadix is the last to enter the docks, because during his imprisonment he suffered. But then, soldiers spot them, Hofwu particularly, and they attack the group. Tadix prevents the soldiers from reaching his friends, and realizes one of the soldiers is his brother.
Again, no one knows whether or not Tadix lives or dies.
Idea #3
Use the same idea as in the original plot, with no changes. This seems like a bad idea, mainly because it won’t be as long as the other two ideas I proposed.

Questions, comments?

I like the castle better than the boat, but I like the meeting of the brother better than the falling castle... I haven't read the rest of the plot yet so I'm not sure what the third is... I'll have to get back to you.