Doomsday: The Great Lord of Mutant Plants

Inside an apocalyptic manor,

Wang Xiaoshan finds a World Tree seed and activates the Plant Mutation System.

How can Poisonous Rose I mutate into Rose Queen IV?

Did his childhood sweetheart become a water-magic Archmage of the apocalypse?

Of course, he has to collect every mutated Lord-class plant~

P.S. An invincible summoning-and-leveling System story.

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.