Improving a species' level is too difficult... too difficult...
Many of the monsters in the wilderness are willing to sign contracts with humans because the Beastmaster's Space can help them upgrade their species level.
...
"What are you doing? Why the frightened face?"
Chen Fan scowled, "If you don't want to do it, fine, I'll find someone else."
"No, wait!" Ye Hao quickly grabbed Chen Fan's hand.
Then, with an eager look on his face, he looked at Chen Fan and said, "Brother Fan, we're brothers. Whatever you say goes!"
"However..."
"Can you really elevate the species level of Guardian Beasts?"
Before Chen Fan could reply, Chu Xuan's voice sounded from behind, "Of course he can."
"Haven't you noticed the changes in Snowy and Feicui?"
Chen Fan and Ye Hao both jumped in surprise and turned around.
"How long have you been following us?!"
Chen Fan was a little annoyed, "Why do you always pop up out of nowhere? You could scare someone to death!"