After you’re done with Arrival and Tempest main quest, you jump into Carnage which is the final prologue quest. After Carnage you properly enter the world of Outriders. Below you will find a complete walkthrough of the Carnage quest in Outriders.
Outriders Carnage Walkthrough
At the end of Carnage, you do your first boss fight as well which is pretty basic as well. In Carnage, your first objective is to reach the other side of the battlefield. Shot your way through the enemies and use your first ability to clear them out. The best way is to go through the trenches and stay is cover. Keep following the trench and survive the assault.
When you reach the other side of the battlefield you make sure way up to the vantage point. Loot the nearby chest for the sniper rifle and then take out the enemies below. During Carnage main quest you will be able to choose an Altered Class for your character. You can choose between Pyromancer, Technomancer, Trickster, and the Devastator. You can reach out extensive guide to decide which character class is best for your playstyle.