The knoll to which Pierre ascended was that famous one afterwards known to the Russians as the Knoll Battery or Raévski’s Redoubt, and to the French as la grande redoute, la fatale redoute, la redoute du centre , around which tens of thousands fell, and which the French regarded as the key to the whole position.
This redoubt consisted of a knoll, on three sides of which trenches had been dug. Within the entrenchment stood ten guns that were being fired through openings in the earthwork.
In line with the knoll on both sides stood other guns which also fired incessantly. A little behind the guns stood infantry. When ascending that knoll Pierre had no notion that this spot, on which small trenches had been dug and from which a few guns were firing, was the most important point of the battle.
On the contrary, just because he happened to be there he thought it one of the least significant parts of the field.