It was peaceful hours as he researched the Slave Mark with the help of Calidora.
But that peace has got to come to an end when Rex sensed that the others have come back due to an unprecedented event that happened, the Executor has made his move, and the three of them couldn't continue training brazenly.
Spotted by the Executor, they would be captured or worse.
Out of the times they had spent apart, Rex has only bad news on his hand right now.
Nothing seems to be going well starting from the fact that Kyran was still hibernating, forced by the Ice and Snow Moon alongside the presence of Calidora here. Additionally, there's also the problem with Gistella's misunderstanding.
Rex is sitting on his throne, pondering about these matters as the entrance was opened.
Upon stepping into the castle, the three of them halted their steps.