Epiploce
Epiploce , noun
[Latin, connection, from Greek {not transcribed} a plaiting together, from {not transcribed} to plait or braid in; 'epi` upon + {not transcribed} to twist, plait.]
(Rhetoric) A figure by which one striking circumstance is added, in due gradation, to another; climax; e. g., “He not only spared his enemies, but continued them in employment; not only continued, but advanced them.” — Johnson