All Worlds Arms Dealer

Qin Shihuang: "Help me unify the six countries!" Jiang Lie: "How about I sell you the fire unicorn?" Sun Wukong: "Help me fight a monster!" Jiang Lie: "Tianlong is going to attack? It's very cheap." Xiao Yan: "Help me kill the Soul Emperor." Jiang Lie: "Well... I have to call some people for this." With his system, he travels across the worlds at will, and the protagonists in each world owe him a huge favor. There's no way, my name is Jiang Lie, I'm just so awesome. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.