- #42
I guess Hades is the most logical explanation right now. If it is Gildarts that would be quite a shocker though, but I highly doubt that. By fairy tail's #1 law of nature it is impossible for any fairy tail members to die while the power of friendship is still with them.
How would it be hades when Zeref is the one that killed him and he has not made contact with Tartaros since?