Subnautica 1 suffered from rigid threat locations, you can just avoid danger instead of being truly scared of the unknown. Make the most dangerous creatures act like apex predators. they need to hunt, patrol shallows and reefs, follow migration paths. lock it behind story triggers, and have the game evolve to be a genuine survival horror endgame, where danger is unpredictable. If a collector leviathan showed up at my base id panic. we want more panic.