Greed
A slow smile crept up his face when he saw the 10 jackals facing him. His combat prowess was further enhanced by Petri, who occupied his mana core, and his own physique was equivalent to the strength received by the reinforcement of a solidified prismarine crystal. As such, Jason was powerful enough to overwhelm the jackals without any issues.
There was not even the need for him to use his Emperor Eyes, the curses he harbored, or anything else to defeat the jackals that were astonished by Jason's strength. They had underestimated him and hadn't expected him to be stronger than they could handle.
Yet, before they could even realise what was going on, he had emerged in front of them, killing them without showing any mercy.