Hearing Destiny City's weapons even, he was moved by these words. He also wished to get his hands on the weapons they used in Destiny City. They were a big part of the reason they could wipe out so many of his people. If he had such weapons himself, he could bolster his forces on the other continent to push back the vampires.
"How do we split the loot then?" The dragonic king decided it was worth the risk if it meant getting his hands on some weapons.