Śrīmad-Bhāgavatam 10.59.4
Blended reading (Sanskrit + English inline)
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gadayā
—
with His club
Instrumental of gadā — Viṣṇu's Kaumodakī. Of the four classical weapons (śaṅkha, cakra, gadā, padma), gadā is for crushing the gross — fittingly first against the stone walls.
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śastra - durgāṇi
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weapon-fortresses (automated weapon barriers)
Compound: śastra (weapon) + durga (fort). A 'fortress made of weapons' — the layered defenses of asura-pura mirror the layered āvaraṇas covering the jīva's vision of Bhagavān.
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cakreṇa
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with His disc
Instrumental of cakra — the Sudarśana. Reserved here for the subtle barriers (fire, water, wind), foreshadowing its use in verse 21 to remove Bhauma's head — the Lord's disc is precise, never indiscriminate.
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asinā
—
with His sword
Instrumental of asi — the Nandaka. The mura-pāśa wires require severing, not crushing; the right edge for the right knot.
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nirbibheda
—
He broke through
From nir + √bhid (to split out). The same verb returns in verse 5 — the chapter's rhythm: layer after layer split open by the Lord's direct action.
Krsna destroyed the walls of water, fire and wind with his cakra.
By throwing his club, Kṛṣṇa pierced the mountains. It is understood he also used other weapons such as the cakra for piercing the mountains. He did this from afar, and destroyed all the fortifications completely (nir--bibheda). Previous the order was water, fire and wind fortresses. Here the fire is mentioned first. With the cakra possessing fire, he destroyed the fire wall easily by penetrating it with fire. Tathā indicates all or “in the same way.”
A locksmith approaches a vault with a different key for each tumbler — club for stone, arrow for blade, disc for the elements, sword for the wire. Kṛṣṇa's arsenal is not redundant; each weapon is the right instrument for the obstruction in front of it. The conditioned soul's coverings come off in the same precise order when surrendered.
My note
Source: vedabase.io