The military authorities would demand to be allowed to dispatch the troops as physical training and wanting to reap some achievements as well. The king could only imagine thousands of military troops being annihilated at that time…
The kingdom came into existence by capturing relatively easy monster domains and liberating them successfully at first.
Even if they didn’t succeed in one, there were more than double the amount of domains on the continent in comparison. However the access to uninhibited savage lands wasn’t available either.