At most, they could at least delay the inevitable until reinforcements come.
Thus, Koldrim first struck around the fort, leaving the road to go to the capital of the Kingdom of Haven wide open. Because of so, it completely disrupted the army of the Kingdom of Haven from ensuring their fort.
Although the troops of the Kingdom of Haven weren’t on the lacking side, they could not prevent it from happening.
Considering in the war, usually the ones attacking were at much of a disadvantage; but for those having been trapped indoors, they will not escape from their enemies.