Fairy Tail S2 Ep. 64

[DarthEnderX]

But then why would Silver smell like Gray?

Same ice magic?

Also it was Ul who killed Deliora.

We know that. But does Tartaros? Would anyone who wasn't there actually attribute the kill to Ul, who had supposedly been dead for years?

From the outside perspective, it's probably thought that Lyon tried to revive Deliora, then Gray and co. killed him.