حملت ردينيا
She bore a Rudaynī spear.
لم يتصل بدخان
It was not accompanied by smoke.
The image combines a sharp or shining spear-point, the quality of flame, and the absence of smoke. Reducing it to “the tip is fire” would discard the feature that gives the expression its particular force.
By attaching a negative condition to an affirmative image, the speaker moves the mind beyond the ordinary picture of a burning flame. This selective detail can enrich a remote comparison when the features support one coherent effect.