Global Summons: When I Draw Sky Dragon

In the First Age... Twelve large space-time rifts threaten mankind all the time. My name is Zhang Changhua, and I live on Blue Star. I thought I would spend a short life here, but one day I awakened the system, which was also my first crisis! Facing the deadly threat from the monster, I drew the Sky Dragon of Osiris... Then, I stared ferociously at the monster and roared angrily: "You guys, kneel down..." Humans here think of summoning creatures to fight. Fantasy and mythical creatures exist here. The world here is really exciting! My name is Zhang Changhua, and I am changing! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.