Saeris never stops talking and Kingfisher never stops deserving it. If the verbal sparring was your favorite part, these four deliver.
Fourth Wing is the obvious starting point if you have somehow skipped it. Violet and Xaden circle each other with the same mix of hostility and reluctant attraction, and Rebecca Yarros paces the tension like she is being paid per heartbeat. The dragon academy setting means the danger never lets up, so the banter always has stakes underneath it.
The Bridge Kingdom puts two people on opposite sides of a war in the same marriage. Lara is sent to her husband's kingdom as a weapon, and watching her and Aren trade barbs while hiding their actual agendas is exactly the flavor of distrust-flirting that Quicksilver runs on. Danielle L. Jensen writes political tension that never feels like homework.
A Dawn of Onyx is the closest tonal match on this list. Arwen is a healer taken into an enemy kingdom, the king is dark and infuriating, and the conversations crackle the way Saeris and Fisher's do โ hostile on the surface, something else entirely underneath. Kate Golden's Sacred Stones series is still flying under the radar relative to how good it is.
And Phantasma is the wild card. A haunted competition in a New Orleans mansion, a devil with a contract for everything, and a heroine who gives as good as she gets. Kaylie Smith's demon love interest has serious Kingfisher energy โ all smirk and secrets until suddenly he is not.