The Bloomaw Update for Deadly Delivery added three major rescue NPCs, namely Sam, Mr. Bill, and Graves. Each rescue unlocks essential new features and even new classes. While their spawn system is identical, the rewards they unlock are completely different, making them very important for progression. Since every NPC spawns deep in the facility, you need to prepare well and explore carefully. To make your search easier, here's a complete guide on how to rescue Sam, Graves, and Mr. Bill in Deadly Delivery.
