There is a slight changes in the manhwa than in the novel.
*Spoiler Alert*
In the novel, Javier was supposed to be guarding at the door as Lloyd and the king of He** talked. He heard the real name of the person who occupied the body of Lloyd. He then thought carefully if he should revealed to Lloyd that he hears their talk and knows the secret but didn't. He just wait for him to tell him the secret and believe in him despite all those crazy shenanigans he brought to him.
