Notice how Denise now has suddenly stopped wearing that choker with the silvery heart, of which Jo Doyle had one too?
(Denise brings Tsetse the same fast food takeout she used to share with Jo though...)
Tsetse is a descendant of Gideon W. Haveland and a native woman - with several generations in-between though, since he already died about 100 years ago.
And hey, it seems Dr. Ytterbium actually built that collapsible trident she promised Medea!
And what all this fencing is all about will eventually make sense... in a future chapter.
But one thing is for sure:
She delivers nasty stings, either with her sword or with her bayonet...
(And in the map on the previous page we even see a part of Buranda!!)