Ominous Portent is a challenge that is available during Overwatch 2's Halloween Terror event, and it instructs players to witness all seven Banshee moments in a single run of Wrath of the Bride. Fans that complete this task will earn the Tarot Reading voice line for Kiriko, and they will also be one step closer to unlocking the Jack-O'-Lantern weapon charm. This guide is here to help players claim those rewards by providing details on how to tackle the Ominous Portent challenge in Overwatch 2.