I Rely on Monsters to Gain Technology

"Congratulations to the host, you have obtained the black technology 'Meteor Technology'." "Congratulations to the host, you have obtained the black technology 'anti-gravity technology'." "Congratulations to the host, you have obtained the black technology 'Light Particle Conversion Device'." "I'm still a little short of getting the complete technology to make a 'plasma spark tower'!" This is the story of Zhang Chen, an otaku who uses the technology of the Ultra World to dominate. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.