The speaker's anger increases upon hearing the name of a demon who committed an offense. Because of this demon's offense, the speaker will see that all demons are destroyed. Those who fall into the trap of death's power do evil acts, and because of the vilest demon's offense, his entire lineage will be destroyed.

18. 6.38.6 - My anger is increased on hearing the
name of that demon. Because of the offence
committed by him, I shall see that all these
demons are destroyed.
6.38.7 - Falling into that power of trap of death,
one does an evil act. Because of the offence
committed by him the vilest, his lineage is
destroyed.