If you have made your way through all levels of Ultimate Vault Hunter Mode, you can try your hand at some of the game's world events. Three world events await you in Kairos, with each of the main regions having one event for you to participate in. Let's break down each of the world events in Borderlands 4 and how you can complete them to earn the achievement. The Goredello World Event GuideThe Goredello is a world event located in the Terminus Range region of Borderlands 4. If you manage to reach the platinum tier, you will get the best reward, so strive to collect plenty of ore.Airship World Event GuideThe Airship world event will appear at The Flarewell in The Howl section of The Fadefields.