One of the three Great weapons of Mass destruction, others being Brahmastra, Pasupatasta, Narayanstra would destroy anything and the only way to escape its wrath is to drop all the weapons and prostrate before it.
Famous Chakra is Vishnus’ Sudharshan Chakra.
Lord Krishna also wields this.
Now a working Model of this has been found in Melarasur.near Lalgudi
The news item explains.(image below)
Sahadeva fixed it and Krishna manipulated the Solar Eclipse to happen a Day earlier, knowing well it was started on the Day of Solar Eclipse the one who chooses that date would win. Duryodhana was tricked into fixing this date. This day was not the Amavasya, when Solar Eclipse happens, but a Day earlier. This Amavasya is called the Bodhayana Amavasya.