That tumultuous sound echoed across the sky and the earth and tore through the hearts of Dhritarashtra's sons. Think of a sudden thunderclap in the monsoon — that involuntary jolt in your chest. The combined conch-blast of the Pandava army created exactly that effect on the Kaurava side, except it did not pass. It stayed.
The word "vyadarayat" is powerful. It means "ripped apart" or "split open." The sound was so overwhelming that the Kauravas felt their hearts crack. This is not exaggeration for its own sake — it is the Gita's way of conveying how a confident army can be shaken to its core before a single arrow flies.
With this shloka, the conch-sounding episode closes and the story pivots. What comes next is Arjuna's request to survey the battlefield — a request that will change everything.