Zhao Hai wasn't worried about the orcs and dwarves. They were greatly indebted to Zhao Hai for helping them repair their divine artifacts. Therefore, Zhao Hai could find them immediately and tell them his plan.
As for the elves, Zhao Hai was not sure. He did not know if the elves were naturally gentle or if there was some other reason that made them keep delaying the matter. Therefore, Zhao Hai was waiting for the elves 'response. He was not afraid that the elves would tell the Dragon race. Even if they did, so what? on the ark continent, no one was Zhao Hai's match.
Zhao Hai was not worried about the seafolk. They had a deep enmity with the Protoss. The rebellion of the seafolk this time was inextricably linked to the Church of Light and the Dragon race. Therefore, Zhao Hai was not worried about them.