Add shadow-captured bosses to caves

[Phoenix_Cobra]

We could add new bosses that will be captured by the Void Masque. I have three candidates:

- Nightmare Werepig (after defeating it, it is freed from the Void Masque's grasp and moves to the junkyard);
- Great Deep Worm;
- Labyrinth Guardian.

I think this would be a good way to increase the difficulty of bosses in the caves after the Shadow Rift opens, like with the Moon Mutants. To prevent capture, you need to protect the boss by killing the Void Masque before it can capture you.

Edited October 13, 2025 by Phoenix_Cobra