Goblin Lord: Get ready to capture the Saint!

[Lord, farming, slow-paced plot, and a great heroine. ]
Good news: I have traveled through time to the Brave Game, and can start a hearty adventure!
Bad news: Although I have traveled through time, I did not become a human, but a weak goblin lord!
Guan is new here, and seeing this pitfall of the reborn race, his mentality is about to explode.
Fortunately, the system rewards a face-pinching opportunity, which can change the appearance, so that it is not as ugly as a pure goblin.
However, before Guan has time to be happy for a while after completing the face-pinching, he hears the system's prompt.
"The saint will come to the nest for adventure in half an hour."
What bad luck!
How can a goblin beat the saint!