How to Upgrade Chaos Perks in Diablo 4 Once you've unlocked a Chaos Perk, you can upgrade it using a new resource called Infernal Warps, the seasonal currency in Season 10. Where to Diablo 4 Items get Infernal Warps: Completing Infernal Hordes runsFarming Chaos Rifts in Helltide eventsClearing Nightmare Dungeons Upgrading your Chaos Perks increases their secondary effects and overall power...