Lannister could tell Norgrim was serious, he even had a hint of desperation in his voice.

“I wonder what Jay will bring to the academy.” he thought as he started writing down what he need to do: a list of rituals, ingredients and plans he would be doing over the next few days – the steps needed to head back to the real world and then bring others back to the mirror reality.

The first step was of course information gathering.