Doomsday Chariot, I Started Evolving from a Bicycle!

What is it like to travel as a bicycle? When Fang Zhiyuan opened his eyes, he had become an old bicycle. What's terrible is that this world is full of zombies and people with supernatural powers. As a bicycle, all he can do is jingle the bell while the zombies ignore it. Until... Ding~ [The Doomsday Chariot system has been activated] [Swallow a fire power user and gain fire power] [Swallow a large truck and obtain the giant tank form] [Swallow a zombie and gain the ability to ignore pain] Ding~ Start fusion [Fuse the fire power, merge with the giant chariot form, fuse with the ability to ignore pain, and obtain the flaming skull chariot form! In the apocalyptic era, build the strongest tank! Devour to gain abilities and fuse into new forms! When the wave of zombies comes, the zombie lords are sneering and humans are afraid. Only among the waves, a bicycle was still ringing its bell. [Demining: No heroine, not human, decisive in killing, a lone mini-boss, the protagonist will not become a human, nor will he become someone else's mount]