Through the night my ship fought and killed a 2* big fish (blue), 4* big fish (blue) and a 3* Royal Navy. Each battle yielded a battered chest. On opening the chests the only item I received for my silo was 1 voodoo mask. When clicking on each enemy on the map none of the ones I killed say they give out voodoo masks. This isn't an isolated incident. Battered chests frequently fail to give silo items, and when they do they don't give out what you'd expect to receive. Yet if I kill the Enemy Crab I'm 99% guaranteed to get iron. If I kill a Ghost Ship I have a high chance of getting silver or iron. If the randomly generated content of each battered chest isn't a bug then that suggests the Enemy Crab results are a bug. There is no logic behind the inconsistency here (but please don't take my iron source away!). My suggested fix is to reduce the likelihood of getting battered chests in favour of getting items for the Silo.