About the Red Fire

Their world turns upside-down when the villain becomes an ally.
Reitrin's body ached and she tried to get up, but Clyde appeared beside her and he caught her arm to stop her."Don't move yet," he hissed. "Look."Reitrin blinked as a drizzle of blood trickled between her eyes. She did not wipe it away though. She was staring at the sand drone. The red flames were devouring it and it was melting, its eyes rolling in rage and pain.When it was gone, the flames vanished at once.Reitrin felt Clyde release her, but he remained protectively by her side.The blue walls of energy were gone, shattered by the red fire, and the cause was standing in the center of the room."Sorry about my messy entrance," said Aoiro as he turned to face Reitrin and Clyde. His blood red hair speckled with sand and his dark eyes sharp with annoyance.Reitrin could not believe her eyes.Why was Aoiro there?