Online Game: God-tier Assassin, I Am the Shadow! Chapter 556: Here it comes! The aura of the abyss!

After some thought, Lute and Xi'er still believed that Qin Feng must have secretly spent a huge price somewhere to raise a Mythic-grade BOSS... As for whether Qin Feng had the ability to kill a Mythic-grade BOSS, the Phoenix sisters had no doubt about it at all. After all, they had just experienced it themselves. An NPC with terrifying combat power had just appeared before being instantly killed…