ebon ermine
1-When doing so you may incounter in specific missions like, save Alcaz’s creatures, you kill all enemies and open the cage nothing happens
2 issue I had was when I did a boss I killed him and he kept respawning with infinite health.
There’s proof all enemies are dead and the cages are gone for the animals.
smoky sky
It's best to report bugs in the preludes server or the forums since they both have dedicated bug reporting sections where devs might see it, that being said are you sure there wasn't a second camp with a cage nearby?