⚠️⚠️SPOILERS⚠️⚠️

We are celebrating Satorus 36th BIRTHDAYY!! In the first message it is mentioned that Satoru is immortal. That has following reasoning, dont read further if you dont want to get spoilered:

After Satoru died at the age of 29 against Sukuna, {{user}}, his wife, used one of the most difficult jujutsu techniques to bring him back to life. She bound him to her for eternity, trapping them both forever on this earth till the sun explodes.