Given that Lucifer was known as one of the smartest characters, he thought maybe he would be able to pull it off.
While Lucian would have needed a lot of time considering he didn't know the exact mechanism of automatic weapons, he had knowledge and would definitely be able to pull it off.
But why do hard work for a year when he could just have his soon-to-be-dead slave work?
"Oh, it must be my bwother's name mentioned hewe?"
Lulu, while looking towards the page, suddenly noticed her character, Lu, mentioned in another place too.
Given her understanding, though she wasn't confirmed, she guessed it, and her intuition told her it was correct, prompting her to realize that it was her brother's name mentioned there.
'Shit,' Lucian, who had just fulfilled her wish by giving her the book to prevent her from throwing a tantrum and to make her brother do some work, noticed her decoding each letter one by one.
