The exchange between Turnus and Allecto is part of the larger context of Suffolk's words to his captors.
VI 4.1.109-11) And like Allecto, the Lieutenant reminds him that he is powerless: "Ay, but my deeds shall stay thy fury soon" (2 Hen.
Thus the infernal Spirit who foretells Suffolk's death is like Allecto, who appears to Turnus in the guise of a seer.
As for Venus's call for the fashioning of arms, it is not the anarchic call of "woman as a troublemaker" (a role ascribed to Venus herself as she summons the Lemnian women to manslaughter in the second book of Valerius Flaccus's Argonautica), but is uttered in the hope of protecting the male victim of an irrational, female instigation of armed conflict (without Juno and
Allecto the pact between Aeneas and Latinus would not have been disrupted).