The ability to customize the perks on your armor and weapons. One thing I felt was decent about the first year of Destiny 2 was that every piece of armor and every weapon was categorized into their own archetypes/models and had a bit of “blank slate-ness” to work with, but it didn’t go nearly ambitious enough when it came to personalization of how your chosen gear functioned. I vastly preferred the Fallout 4 model of armor and weapon modification, where (with the exception of Legendary items which came with a single random extra effect) you could essentially customize your loadout to your exact specs and how you wanted to play. Random rolls was a choice that alleviated the static purgatory of your power armor of doom, but I believe it went far too much to the other side of the spectrum, from too much order to too much chaos. To optimize your setup, you need either a tremendous amount of luck or a tremendous amount of playtime, though it usually boils down to both, and I’d argue that the freedom to customize your own “god rolls” is better than being at the mercy of random chaos in what you get, gambling time for little return. Since we have a new economy where planetary materials are used in amounts like smithing components, Legendary shards, and Glimmer, it’s totally feasible to use those to purchase the individual customizations of your loadout how you want it, so you can spend time hunting down a particular type of weapon or a full armor set to tech to your liking rather than hunting them all over and over in the pursuit of decent rolls for what you want. Then players can spend more time experimenting and keeping a Crucible meta changing and evolving, or building a set of armor to specifically buff up a certain play style (which is all different for everyone) and to be at recreation. I’m not calling for an abandonment of random rolls though, certainly have loot drop with random things on it. Some of my favorite guns were happy accidents of a chaotic system I’d likely never have thought to work with before popping it on and pulling the trigger, like Genesis rockets. But with an option for individual customization of perks (not the system in D1Y1 where re-rolling was costly and you re-rolled EVERYTHING on an item), you can maintain a limit on what perks can be available on specific items like it exists now (afaik there is only one sidearm capable of rolling Ambitious Assassin, for example), introduce new perks or remove some to keep evolving the Crucible or shake up the scene for inventive PvE players/Raiders, and keep adding into the Mod system to introduce new mods to complement the perks one can choose. Those are my suggestions, and if there’s a hole in my logic or perhaps I’m not seeing a bigger picture, I’m open to having my mind changed. This is just something I’ve wished to have in Destiny for a long time. Edit: Added a hypothetical way for expending resources to customize your weapon/armor perks.