Who shows up at the last minute to join the rumble how did he get out of the hospital?

In the dramatic finale of the rumble, it’s revealed that a key character, who had been recovering in the hospital, makes a surprise entrance. He managed to escape by cleverly convincing the medical staff that he was well enough to leave, perhaps with a little help from friends outside. His unexpected arrival adds a thrilling twist to the showdown, showcasing his determination and resilience.