>>18575780I think while Y makes more sense, X is more subtle in its cruel irony.
Lysandre wanted to grant himself immortality and achieved his goal, but now he has to spend all of eternity buried under tons of rocks, just like Hidan or Garlic Jr.
Give him time and he'll definitely think that this situation is worse than death and pray for the Reaper to come and end his sufferings. Sadly, even Death itself can'to do anything.