The Zodiac Oath Contract was quickly written by Diminutive. After Jacob made sure the goblin didn't leave any tricks in it, he signed it while Diminutive handed it over to Necro so he could bring it to his main body.
After all, only the main bodies of Jacob and Diminutive could sign on it, and this was Jacob's only condition. Jacob wanted to make sure to bind Diminutive with the Zodiac Oath Contract, as for others, as long as they didn't have soul force, he didn't consider them a threat.
In fact, he leaves them alone because he wants someone among them to become reckless and then deliver blood vitality to him. After all, for Jacob, the Treaty of Legends was nothing but a tool to increase the final phase progress. They were useful for him, whether alive or dead!
"How about his excellency tell us what you want in return while Necro delivers the contract to my real body?" Diminutive asked, his face still hidden behind his cloak, just like hooded Jacob's.
