Zhao Hai walked up the mountain with a calm expression. Actually, he didn't have to cross the mountain from the top. When he was halfway up the mountain, he could have just turned around and crossed the mountain.
Of course, it would take him more time, but Zhao Hai was not in a hurry, so he could walk from the middle of the mountain, which was more suitable for botanists to go back.
There were many environments that were the most unsuitable for botanists to fight in, such as an extremely cold environment or a desert. These would all bring a lot of negative effects to the various offensive and defensive plants in the hands of botanists.