The Battle of Five Gods was especially important to Tang Wulin who underwent a metamorphosis. After the transformation, he was fully-recognized as the Tang Sect's Sect Master.
Back in the beginning, they did not mind that Tang Wulin was chosen as the Tang Sect's Sect Master. They figured that the sect was cultivating them to be the reserved force. They would still need their senior powerhouses like the Amorous Douluo and the Heartless Douluo. Tang Wulin was just someone whom they were cultivating as well. He would still need some time before he could truly be in power.
Yet, it was not even a year before Tang Wulin had shown his ability to take charge as the chief. How could his comrades not admire him then?