Heroes are made by the times.
But the greater leader can create his own era with his own strength. In other words, the leader shapes the times.
Chu Yuan is ambitious, intending to create his own era starting from the Sea Demon Realm!
Off in the distance, demonic fog roiled as the world darkened. Countless shadowy figures flickered, radiating a cacophony of noises.
"Emperor Dawu, if you are willing to give a large number of Divine Elixirs to my Demon Light Sect, our forces will retreat!"
"There is no good outcome from opposing the Sea Demon Realm. Your hot-headedness will have consequences when Blood Shadow City is conquered and breached, directly invading your Dawu territory, causing war to break out everywhere. It's better to be sensible now, hand over your treasures, annually pay tribute to the Sea Demon Realm, and obediently be a vassal state."
"Yes, a vassal state!"
...
The forces were a mix of large and small demon sects, along with many individual cultivators.