1. The immortal gave Ma Liang a magic pen, so everything he painted came true.
The rich and officials know this and want Ma Liang to draw a golden mountain for them. After Ma Liang finished painting, he drew a big ship. As soon as the official was happy, he drew a huge wave, overturned the boat and punished the bad guys.
Ma Liang didn't panic in front of greedy rich people and officials, but punished these malicious people with the magic pen in his hand.