Also,found a little grammar error.
"After the news about the demise of him and other high-ranked guards hit N, she succesfully stopped the panic spreading among the remnants of the Guard,and urged them to assemble a council which should govern it's actions"
The word in bold is the word which should fix the sentence,by the way.
"There two forces clashed - the army of living, combined from the kingdom's soldiers, levies and mercenaries and the horde of undead."
From the way this is written,it seems that the hordes of undead were part of the army of living.I know someone with even the slightest of brainpower would know that it's not,but still,if you could change it to "versus the horde of undead" it would flow more smoothly,in my opinion.
"This place was not chosen at random, we were told - scout reports made it clear that the enemy was moving through a mountain pass with only one exit - a big ugly rift right in front of us."
Another small mistake.As always,the word in bold is the correction.
""Half of my platoon dropped their bows and ran."