 Complete the following phrase:  Xtreme Legends adds an additional storyline for Lu Bus forces, primarily focused on Lu Bu, Chen Gong, and Zhang Liao. In addition, a series of hypothetical missions are added to the four main kingdoms storylines, mostly recreating historical events with a slight hypothetical twist for example, one Wei mission is premised on Cao Cao sparing Lu Bu after the Battle of Xiapi and utilizing him in the Battle of Guandu, while a Shu scenario has Liu Bei turning to Sun Ce rather than Cao Cao after the Battle of Xiaopei. Each of the three main kingdoms contains a two-part mini-campaign centered around the new character introduced to their respective factions Yu Jin, Fa Zheng, and Zhu Ran, while the Jin faction, having no new characters, has a three-part mini-campaign featuring a fictional version of 