Of course, it might also be that Jing had given him a heads-up beforehand.

But judging from Luo Dashan's consistent behavior, he would never easily listen to anyone, generally holding a rebellious attitude towards orders.

The fact that he could think of bringing back Combat Lore for Su Yan at this moment is an enormous shift in attitude, enough to show that Jing's many detailed arrangements for Luo Dashan were correct.

Luo Dashan was indeed slowly accepting Su Yan's identity, although he still wasn't willing to call him Master.