I'm in the Demon Suppression Division: I've Killed All the Demons

Traveling through the Chu Kingdom, Xie Guiyan carries the Sword God System and joins the Demon Suppressing Division at the beginning to hunt down demons! "Kill the spider demon and obtain the skill of swordsmanship!" "Kill the lovesick evil ghost and gain the snow floating human proficiency +lv1" ··· "Kill the flame-eating evil dragon and obtain the fourth style of the residual fire sword! As he continued to kill demons, Xie Guilan looked back and saw that no one in the world could let him unsheath his sharp blade! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.