He was sure that the context in the necklace that he could only access by using energy was in the ancient elvish language.
Although he didn't understand and couldn't read it, he was happy to have received it.
After all, he could still translate it, and translating wasn't going to be a bother. He knew that the academy had an extensive library covering hundreds of languages, and it would be easy to get it done there. In this era, one can even pay others to translate the ancient elvish language. But he didn't want to do that as he didn't like to share the context in this necklace with anyone else.
King Wrath looked towards Vincent and said, "I will repay you in the future." There was no playful air around him, meaning he really meant what he said.