His Skill's Poison Can Stack Infinitely,Killing One Monster Increases His Poison Power by 1,No Limit

What the story is about

After awakening as an SSS-rank Poison Mage, Su Chun discovers that his poison can stack without limit and that every monster he kills raises its maximum stack count. As he enters a powerful academy and takes on increasingly dangerous dungeons, his seemingly ordinary damage-over-time build proves devastatingly strong.