The Weakest Summoned Beast? I Became an Emperor by Merging Plants

[There are golden fingers, plant legion, download the dungeon, and it is not a no brainer to adopt a girl] Alien beasts invade, the world falls, and when life is in danger, humans awaken to summon beasts to resist the alien beasts. The protagonist Jiang Xu has passed through the womb. When he awakens the summoned beast, he awakens the memory of his past life and the fusion version of Plants vs. Zombies (with changes), starting a journey of upgrading by relying on the system to win the game. Thousands of years later, you will see Jiang Xu establishing a plant empire, with an obsidian behemoth in his left hand and an atomic breath, and in his right hand a Vishdel (plant version) "Burst Dawn"... A new game - "Plant Abuse of Alien Beasts".