The first orc army converges on the dunedain
The second orc army is shown here
The first orc army gets within the archers range
This is the third orc army
The pikes await the third orc army going through the narrow passage towards their sharp pikes.
The dunedain army awaits the onslaught
The orcs throw themselves at the dunedain line
The third orc army proceeds through the passage
the battle with the third orc army starts
Meanwhile, the 1st and 2nd orc armies are fighting vigorously with the dunedain defensive line
Fire arrows support the dunedain defense line
The defensive line starts to fail and the rangers are called in
Later on, the pikes fighting the third army start to fail, cavalry are called in to support them
Later on the pikes fail against the third army and rout

This is a shot of the carnage
The third general dies
The defensive line has failed, and the cavalry constantly charge at the incoming horde trying to hold back the tide.
What is left of the orc armies unite and get into formation, ready to charge whats left of the dunedain army
shot of the passage dead bodies from the third orc army
The cavalry keep facing off against the orc horde, killing several hundred orcs, and routing them all
Victory for the dunedain, the cavalry saved the battle.