The whale prepared itself mentally. Alm and Bruno planned a deep and irrecoverable blow against the Shadow God branch. The Demoness leading them was just a pawn of a branch and could only beg for minimal help from the main sect. So, she had to handle everything on her own.
Since the sealed world restricted cultivation and she couldn't directly attack the Yinblood sect, the logical solution was to send the most powerful firepower available. The best cultivators and Empyreans who could enter would be given the task, while an endless army of demons invaded the place to collect all the treasures and justify the risks.
