One verse

Srimad Bhagavatam 4.14.34

4.14.34

इत्थं व्यवसिता हन्तुमृषयो रूढमन्यव: । निजघ्नुर्हुङ्कृतैर्वेनं हतमच्युतनिन्दया ॥ ३४ ॥

ittham vyavasita hantum rsayo rudha-manyavah nijaghnur hunkrtair venam hatam acyuta-nindaya

ittham
thus
vyavasitah
decided
hantum
to kill
rsayah
the sages
rudha
manifested
manyavah
their anger
nijaghnuh
they killed
hum-krtaih
by angry words or by sounds of hum
venam
King Vena
hatam
dead
acyuta
against the Supreme Personality of Godhead
nindaya
by blasphemy.

The great sages, thus manifesting their covert anger, immediately decided to kill the King. King Vena was already as good as dead due to his blasphemy against the Supreme Personality of Godhead. Thus without using any weapons, the sages killed King Vena simply by high-sounding words.