"Now, we've successfully occupied the First Hall without alerting the enemy. That gives us a good start, but it's only the first step. We absolutely cannot rely on brute force from here on. We're only here to recover some of the wealth seized by the Half-orcs, not to actually reclaim Moria while it's still shrouded in darkness."
Allen paused there and smiled at Dáin, Óin, and Ori, who were sitting beside him. The next stage of his plan would require considerable help from all three, and it would have to be carried out quietly.
The three Dwarves from the Lonely Mountain were rather disgruntled, because Allen had not let them take part in the battle that had just ended.
They felt that Allen was looking down on them. Moreover, as descendants of Durin, they believed they should have been the first to enter Moria, rather than anxiously waiting outside the entrance.
Allen understood how they felt, but the Dwarves' fighting style was too bold and direct. He was worried that once the three entered the First Hall, they would lose control of their excitement and charge the Half-orcs occupying the Guardroom with loud battle cries, ruining all his plans.
Taking the First Hall undetected was also the most important part of this adventure. Failure would certainly draw the attention of the other Half-orcs. The two factions currently fighting each other might then cooperate temporarily and turn on his band of unexpected intruders.
Even Half-orcs, who frequently fought among themselves, understood the need to unite against an outside enemy.
In that case, Allen would have to withdraw from Moria and wait for another opportunity, or lead his people on an arduous climb over the Redhorn Gate to search for Durin's Door on the other side of the Misty Mountains. They might