Sam's deal caused the king to be flustered. Yes, they do have a rival race with which they are fighting to take over a planet, but they couldn't find any opening with them.
Their strength is almost equal in all aspects, from the foot soldiers to the top dogs who rule the planets, everything is equal.
And the war for this planet is going for quite a while.
"How can you guarantee that?"
"Give a hundred soldiers and two hundred Blood Wyverns. I will give you a force that would make all the rest of your army look like trash.
A force at the transcendent level. Which is the cultivation level of the foot soldiers in your war. The only thing that is lacking in your side or even their side is this one elite force that could put a stop to the foot soldiers of the other side.