The Netherworld Seal was previously completed by the Dragon Emperor who was the leader, the Elven Empress of that generation, and the rest of the powerhouses. The current Dragon Emperor was severely injured so one could only imagine how badly the seal's energy had depleted. Furthermore, would they be able to successfully reinforce the seal without the help of the Dragon Emperor?
Even though everyone felt slightly anxious in their hearts, they understood that their anxiety was useless at this moment. They could only pray for the best.
Phew! Sorry it's a little late today. It's the general election in my country and the lines are unexpectedly long.