Weak Summoner of the Myriad Worlds? Summoning the Holy Lord from the Start!

[Everyone Changes Class + Summoning + The Holy Lord + Twelve Talismans + Ten Masks] The myriad races invaded, and everyone changed class. Every human could awaken their own class at the age of eighteen. Su Luo awakened as a Myriad Worlds Summoner, a class even rarer than legendary ones! Unfortunately, there had already been plenty of people in this world who awakened as Myriad Worlds Summoners. Without exception, they all ended up worse off than people with ordinary life-skill classes. But Su Luo discovered that his class came with a special item: the Myriad Worlds Codex! He built a bridge to Jackie Chan Adventures and summoned the Holy Lord from the start! Just as everyone else thought Su Luo was destined for a life of mediocrity, Su Luo summoned the boss of the Eight Great Demons, the Holy Lord himself! He could even wield all twelve of the Holy Lord’s powers with ease. Next came the Wind Demon, Xiao Feng, the Sky Demon, Hsi Wu, and the Earth Demon, Dai Gui. But these demons were a bit temperamental. Lei Su kept shouting, “You should be calling me Master!” When the various bosses broke through the barriers of their dungeons and entered the real world, they were stunned. “Holy Lord, my good brother! We’re both dragon bosses, so why are we fighting each other?” “This human is crazy! He’s got me by the neck, saying something about refining me in an instant...”