Board Thread:Manga/@comment-26495049-20161228051254/@comment-26495049-20161229053151

All the people who tried to kill Reiner (but failed):

1. Ymir

2. Random Titan

3. Himself

4. Mikasa (twice)

5. Eren

6. Levi

7. Jean/Connie/Sasha

8. Hanji

Maybe the person who finally ends up killing Reiner is not on this list...or maybe Reiner really is immortal, you never know :P