Seems clear enough

“The sea of bloody tears from our military and people will follow the puppet regime until the end. The tears will turn into a sea of revengeful fire that burns everything.”

Koh Yu-hwan, a North Korea expert at Dongguk University in Seoul, said the statement did not necessarily mean that Pyongyang was averse to reform.

I think these two consecutive paragraphs capture the insanity that is dialogue with North Korea.

North Korea warns the world: no change in policy under Kim Jong-un