found this in far cry 6 fan kit. I think you need to collectables to make supremo back : r/farcry
Stephen King - Monsters are real, and ghosts are real too, they live inside us, and sometimes they win" Backpack for Sale by appleofyoureye | Redbubble
Far Cry 6 guide: The best Supremo weapon and gadget mods
Far Cry 6: How to Use Supremo Weapon
Far Cry 6 supremos – how to get every backpack | PCGamesN
ArtStation - Far Cry 6 - Supremo Backpacks
Far Cry 6 Supremo Backpack Guide: All Backpack Abilities and Where to Find Them | Digital Trends
Supremo Weapons - Far Cry 6 Wiki Guide - IGN
Far Cry 6 Supremo Backpack Guide: All Backpack Abilities and Where to Find Them | Digital Trends
Second Life Marketplace - { Greenies } Backpack Supremo - Beige
Far Cry 6 - Where To Find The La Varita Rifle And Triador Stealth Supremo - GameSpot
Far Cry 6 Supremo backpacks – all abilities, powers, and features | The Loadout
ArtStation - Far Cry 6 all Supremo Backpack
Far Cry 6 Supremo backpacks – all abilities, powers, and features | The Loadout
I'm Supremo" Backpack for Sale by Simon02 | Redbubble
Far Cry 6 Supremo backpacks – all abilities, powers, and features | The Loadout
Far Cry 6 Supremos: how to unlock all 7 Supremos | Rock Paper Shotgun
Far Cry 6 Supremo backpacks – all abilities, powers, and features | The Loadout
Far Cry 6 Supremo Backpack Guide: All Backpack Abilities and Where to Find Them | Digital Trends
Far Cry 6 Supremo backpacks – all abilities, powers, and features | The Loadout
Every Far Cry 6 Supremo and Resolver weapons worth getting | GamesRadar+
Why can't Supremos look like this? At least, please, let us take them off. : r/farcry