The End of the World: Plant Synthesis, Freezing Billions of Zombies

"Ding! Consume 3 double-gun pea shooters to synthesize [Ice Pea Shooter]!" "Ding! Unlock the power of god-level ice and understand the passive [Frozen for Thousands of Miles]!" "Ding! The power of ice forged the sword. Congratulations to the host for obtaining the SSS-level artifact - [Frostmourne]!" In the third year after the end of the world, 90% of the world's humans mutated into zombies. Jiang Chen awakened the plant synthesis system and started an invincible game! While others were still fighting for a pea seed, he synthesized a bursting cherry with his backhand: "Firepower coverage! Blow up the entire zombie wave for me!" Dead Rising? Jiang Chen sneered and planted three potato mines to form an [Invincible War Mine]: "This area will be a zombie restricted area from now on!" The next second, he picked up the knife and stepped out of the safe zone. The sword energy spread across ninety thousand miles, and the cold air swept through the world! "What? The Corpse King is here?" Jiang Chen raised the corner of his mouth and summoned the [Sunflower Cannon] that synthesized the ultimate form: "I'll give you a taste of what doomsday fireworks are!" Synthesize plants, smelt artifacts, awaken powers, and build a base! Jiang Chen stood on the top of the corpse mountain, looking at the devastated world: "From today on, I am the savior of mankind!"