How do you upgrade your weapon in Hell Is Us? If youve picked up a few weapons in the first act of Hell is Us, you might be wondering if you can improve the level as they rank up from using them against enemies. Heres how.All of the best weapons in Hell Is Us can be upgraded, either by adding relics or specialising in a particular sphere: grief, rage, terror, or ecstasy. New relic slots can be added, too, to improve your chances against some of the tougher bosses. If youve been picking up a huge amount of shards from fighting enemies, then heres how to put them to good use when upgrading your weapons, and how to unlock better weapon upgrades by finding forgebooks. Continue reading Hell Is Us shards - how to upgrade weaponsMORE FROM PCGAMESN: Best open-world games, Best RPGs, Best soulslikes