The reason why the Thousand Forest Continent was do easy to conquer is that there is no deep foundation in it.
The calamity that had happened in the past wiped out nearly all the things in the past and only small remnants remain.
Shadowslash became extremely happy when he realised that he had conquered his homeland with ease.
What's more there were only small of blood shed to accomplish the mission.
Mainly because he had already conquered the mind of the people in the continent long before.
Once he accomplish his dream he quickly gathered all of his ministers and minds of his kingdom to start the discussion on how to manage the continent.
But after a long day of discussion they realised that they needed the opinion of others to fully manage the entire continent.