The blow leaves Oslo in a persistent vegetative state. His cousin and fellow soldier, Helsinki, realizes that Oslo will never recover and remembers their pact to never let the other be captured or live in such a state. In a heartbreaking act of mercy, Helsinki suffocates Oslo with a pillow to end his suffering. Who Was Oslo?

In Part 2, Episode 1 , it becomes clear that Oslo will not recover and is suffering. His cousin and closest friend, Helsinki , makes the agonizing decision to perform a mercy killing. Helsinki suffocates Oslo with a pillow to end his pain. Impact on the Gang

Following the attack, Oslo was rendered comatose. The robbers, cut off from the outside world and lacking advanced surgical equipment, could only provide palliative care. Tokyo, narrating the events, grimly explains that the injury was "incompatible with life." He was hooked up to machines to keep him breathing, but the medical reality inside the Mint was clear: he would never wake up, and his body would eventually shut down.

Oslo, whose real name is Dimitri Mostovói, was a Serbian soldier and one of the eight robbers recruited by the Professor. Along with his cousin and best friend, Helsinki, Oslo was tasked with controlling the hostages inside the Royal Mint of Spain.