﴿ كَلَّآ ۖ إِنَّهَا لَظَىٰ ﴾

“But nay! Verily, all [that awaits him] is a raging flame,”

Nay! — a refutation of his wish. Lo! for him it namely the Fire will be the Churning Fire lazā — a name for Hell so called because it churns its flames tatalazzā against the disbelievers