The Beast Tamer of the Abyss Makes My Battle Pet a Bit Outrageous

The protagonist Wen Ning travels to a different world and discovers that humans here use spiritual contracts to control thousands of beasts and build the last line of defense to resist the periodic abyss catastrophes. Wen Ning contracts with various beasts to "cross the abyss", but as time goes by, people find that the abyss does not seem simple. It seems to be connected to a huge world... The introduction is useless, please move to the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.