Fantasy: Let the System Increase My Strength at the Beginning

[Easy, simple, tough gangster protagonist] Qin Tian: "The air in the secret realm is sweet." … "So what about the Great Sage? Today I will eat the thousand square meters of high-grade spiritual essence from you. Even if the Alchemy Emperor comes, I won't be able to keep it. I said so." "Outside, you are the Great Elder and I won't find fault with you, but you claim to have cultivated yourself in a secret realm. What do you think you should call me?" … "Trouble!" "Devil!" "Why are you two running away? As long as you buy a ticket to this preaching hall, you can go in and study the "Chaos Sutra". Are you sure you don't want one?"