This week's prompt is the villanelle form, as suggested by Orange.
Villanelle's are 19 line poems, that consist of 6 stanzas. the first five stanzas are of three lines each(a tercet) and the last stanza is of four lines(a quatrain). Rhyme scheme followed is ABA ABA ABA ABA ABA ABAA.
Following these points should be relatively simple, but here comes in the characteristic feature of villanelles, namely the repeating lines(refrains). Since villanelles are more or less a hybrid between a song and a poem, this feature could be considered the characteristic that gives them this hybrid form.
The first line of the first stanza serves as the last line of the second and fourth stanzas, and the third line of the first stanza serves as the last line of the third and fifth stanzas.
To make that more comprehensible :-
Line 1 (A)
Line 2 (B)
Line 3 (A)
Line 4 (A)
Line 5 (B)
Line 1 (A)
Line 6 (A)
Line 7 (B)
Line 3 (A)
Line 8 (A)
Line 9 (B)
Line 1 (A)
Line 10 (A)
Line 11 (B)
Line 3 (A)
Line 12 (A)
Line 13 (B)
Line 14 (A)
Line 15 (A)
So, in other words, lines 1 and 3 are the refrain lines.
As for the meter part, villanelles have no standard meter, but I would suggest you to take one type of meter and stick with it throughout the poem, rather than making the meter of each line different, since that would just lead to incoherency. Villanelle's are supposed to be similar to a song in terms of rhythm and meter, so just try and make your villanelle pleasing to the ear, (i.e. without any abrupt and sudden changes in meter, just like how a standard song is) and you'll be all set!
Due to strong likeness with songs, villanelle's are particularly useful in poems which express emotions, especially those related to obsession like love, hate, etc. so since the theme based on a villain, your poem should be filled with hatred and descriptions of the villain showing them as putrid filth!! Either that, or you could show a feeling of sympathy for them, provide them a glimmer of hope, or you could simply love evil and hence fall in love and be full of burning desire for their evil! In other words, try to express a strong emotion towards the villain you will choose for your poem.
Happy writing!
Tl;dr
Prompt: A villanelle focused on a villain.
Example:
I shut my eyes and all the world drops dead;
I lift my lids and all is born again.
(I think I made you up inside my head.)
The stars go waltzing out in blue and red,
And arbitrary blackness gallops in:
I shut my eyes and all the world drops dead.
I dreamed that you bewitched me into bed
And sung me moon-struck, kissed me quite insane.
(I think I made you up inside my head.)
God topples from the sky, hell’s fires fade:
Exit seraphim and Satan’s men:
I shut my eyes and all the world drops dead.
I fancied you’d return the way you said,
But I grow old and I forget your name.
(I think I made you up inside my head.)
I should have loved a thunderbird instead;
At least when spring comes they roar back again.
I shut my eyes and all the world drops dead.
(I think I made you up inside my head.)
~ Sylvia Plath
(Note that the rhyme scheme to be followed is: ABA ABA ABA ABA ABA ABBA)
(And with positions of refrains: A1bA2 abA1 abA2 abA1 abA2 abA1A2)