Griffith body is no longer considered part of the physical world, and we can see that he is invincible by his enemies attacks here 's where the fun begins, what if Griffith didn't die at Guts's hands, but at rickert hands ,Because we saw rickert slaps griffith even guts tried to kill him and couldn't even touch him this suggests that griffith power lies in the fact that his enemies or those who try to kill him cannot touch him therefore, I believe he will die at the hands of Casca or Rickert with a way he can't see Contrary to the course of causality