A possible summary is:
The text is a vivid description of a World War I soldier's experience of assaulting and defending a trench in the Western Front. It portrays the horrors of the war, such as poison gas, machine guns, mortars, barbed wire, mud and corpses. It also shows the soldier's thoughts and emotions as he faces death and kills his enemies. The text ends with a promotion for another video about military combat.
Some possible facts extracted from the text are:
1. The text is about a soldier's experience of a trench assault during World War I.
2. The soldier had to face the dangers of poison gas, machine guns, mortars, barbed wire, and hand-to-hand combat.
3. The soldier survived the attack and managed to take the enemy trench, but had to defend it from a counterattack.
4. The soldier was joined by reinforcements who were inexperienced and young.
5. The text ends with a promotion for another video about surviving actual military combat.