Quote Originally Posted by AuricSeagard View Post
Did some data analysis on my subs' visits to DSS7 and I've included the summary I made in Excel. It turns out that the loot you get is ABSOLUTELY determined first by the weather your submersible encounters. As in, you will only ever get certain drops in certain weather: otters in clear and calm (which we already knew) but also deep-red clusters only in volcanic weather and materia only in strong currents, and so on for the rest of the loot table.

Interesting... I will need to test this on one of my Alts.