LootItemSet - Possible to remap?

So I’ve just started the whole mod making and for some reason I can’t get the mod to work, I’m not sure if it’s something I’m doing wrong or if it’s even possible? The goal is to remove the berries/cloth armour/prim tools etc and replace it, currently trying to use element shards as a placeholder, but I can’t seem to get it to work…

So far I’ve tried remapping LootItemSet_Survivor, this hasn’t worked. So I followed it back to DinoDropInventoryComponent which also hasn’t worked when remapping, now I’m at the point where I would have to remap the Dino_Character_BP? Wouldn’t that be bad for a mod due to other mods needing to use that file (classic flyers?) and it being somewhat of a core file? Sorry if this sounds really noob but I’m totally new to this and just looking for some answers. I’ve tried remapping in supply crates, items, and resouce components, should I be doing it another way?

Thank you to anyone willing to help out!