The It: Welcome to Derry finale concludes with a horrifying montage, where the new Loser's Club manages to bury the last remnant of It's comet, ie, the dagger, and put Pennywise back in its cage. Their mission was dangerous and as Rose had suspected, the dagger manipulated Will, increasing the stakes of their mission. However, they managed to bury the dagger in Deadwood after their deceased friend, Rich, came to their rescue.HBO's prequel horror series concluded with a bloody and intense final chapter, revealing many shocking secrets about Pennywise and the Loser's Club. However, the chilling post-credits scene, which features a surprise cameo by actress Sophia Lillis (Beverly Marsh from the It movie), has fans buzzing with speculation and excitement.The old woman from It: Welcome to Derry post-credits scene is none other than an elderly Ingrid Kersh, who was admitted to Juniper Hill after being hit by Pennywise's deadlights in Episode 7. The scene featured the chilling first meeting between Beverly Marsh and Mrs. Kersh, a direct tie-in with It: Chapter Two.More on the It: Welcome to Derry post-credits scene in our story.Exploring the It: Welcome to Derry post-credits scene View this post on Instagram Instagram PostIt: Welcome to Derry concluded with a chilling post-credits scene, taking us back to Juniper Hill. The final scene of the series checked in with Ingrid Kersh, who was hit by Pennywise's deadlights in Episode 7. While Ingrid initially believed that Pennywise was her deceased father, Bob Gray, she finally had the chilling realization that the creepy clown had fooled her by misusing her love for her father. While Ingrid came to her senses and confronted the entity, she was no match for its cosmic powers and was hit by its Deadlights.It: Welcome to Derry post-credits scene revealed that Ingrid is alive but she had completely lost her sanity and was confined to Juniper Hill, the very place that became Pennywise's breeding ground, thanks to her naivety. The scene immediately cuts to 1988, where we see an elderly Ingrid painting clowns, hinting at her troubled state of mind.As Ingrid leaves her painting session and walks over to another room, we hear the Juniper Hill staff talking about another patient named Elfrida Marsh, who has died by su*c*de. If that name rings a bell, you are not mistaken. Elfrida is Beverly Marsh's mother from the It movies. As Ingrid watches over, we see Beverly and her father crying over Elfrida's death, a chilling preview of her life in Derry,It: Welcome to Derry post-credits scene ties with another chilling scene from It: Chapter Two View this post on Instagram Instagram PostWhile new fans might find the old woman's cameo in the It: Welcome to Derry post-credits scene eerie, it chillingly ties with It: Chapter Two, where It manifests into an elderly Mrs. Kersh to scare Beverly. While fans had long debated over the significance of that manifestation in the second It movie, actress Joan Gregson's cameo as the elderly Mrs. Kersh (a role she reprised from It: Chapter Two) finally gives some much-needed answers.The scene features Beverly's first eerie meeting with Ingrid, which tragically occurred on the day her mother died and her father blamed her for his wife's death. It: Welcome to Derry confirms that the entity took the form of Mrs. Kersh to torment Beverly, compelling her to relive the traumatic day her mother died.In an interview with Variety, co-creator Jason Fuchs breaks down this chilling scene and explains how Mrs. Kersh's cameo ties up with It: Chapter Two:''It knows that Beverly actually met Mrs. Kersh at least once and it was on the worst day of her life, the day her mother committed suicide. So, when It takes that form, it’s also a way of tapping into a long buried memory that’s intertwined with the most horrific moment, to that point, of Beverly’s young life. And that’s the day, the moment, we get to see at the end of our season.''While It: Welcome to Derry expanded on Pennywise's lore, this post-credits scene also offered a chilling peek at Beverly Marsh's former life and how the never-ending cycle of violence continues in this cursed town.For the latest scoops on your favorite TV shows and movies, follow SoapCentral.Also Read: Why does Rich from It: Welcome to Derry look familiar?