They manage to get Gray and the coin back

After being informed of their situation by Prolyusica, Mira and Gray had managed to get back to Fairy Tail without complication, only to find the inside of the guild hall in shambles and a severely beaten Gray with a triumphant Natsu standing on top and a concerned Juvia crying in the background. Mira and Gray were confused by this, until Natsu told them that Gray had gone on a rampage and it took the entire guild to stop him minus Juvia. It was then that Mira informed the others of her situation, much to the shock; and in Juvia's case jealousy, that Gray was literally inside of Mira.

However, Mira had managed to keep any information about Targaryen and his coin from anyone else, much to Makarov's relief. After that, they managed to take Gray's beaten body and the coin back to Porlyusica, after convincing Juvia not to go with them. At Porlyusica's home, they laid Gray's body on a table while Mira and Gray were forced to leave the room so Porlyusica could perform the spell in peace.

3 Hours Later

It had been a brutal wait, but Porlyusica managed to get Gray's body back to normal for the remainder of their quest. After that, Porlyusica informed them of that Targaryen had been living in solitude at the top of Mt. Hakobe to her knowledge, where his old master had been buried. With that done, Mira and Gray set off towards Mt. Hakobe and hoped to find Targaryen.

3 Days Later

It had been a perilous journey, but Mira and Gray had finally made it to Targaryen's retreat and...