Daario Naharis
A flamboyant sellsword captain of the Second Sons, all swagger and blue-dyed beard, who offers his blade — and rather more — to the dragon queen.
A soul born at Tyrosh, sworn to Sellswords & Free Companies.
The fuller tale
Season Three
One of three captains of the Second Sons, sent into Daenerys's camp outside Yunkai with Mero and Prendahl to talk terms or take her head, whichever pays better. He walks out again alone, the other two captains' heads in a sack, and lays the company's swords at her feet with a grin that suggests he'd have done it for free. Vain, quick with a knife, and entirely too pleased with his own cheekbones, he flirts his way through most of the siege that follows and helps her take Yunkai without much of a fight, since the city's slaves have their own reasons to open the gates first.
Season Four
Second Sons folded into Daenerys's growing army now, and he throws himself into the plan to take Meereen with the same swagger he brought to Yunkai, working alongside Grey Worm to get men inside the walls before the slaves have to win their own freedom unaided. He becomes Daenerys's lover somewhere in the aftermath, a fact Ser Barristan disapproves of without ever quite saying so, and spends the rest of the season helping hold a newly conquered city that resents its liberators nearly as much as it resented its masters.
Season Five
Meereen under him and Daenerys both, and neither the marriage alliance with Hizdahr nor the unrest in the streets leaves him much to do but hunt Sons of the Harpy through back alleys and bring back fewer answers than bodies. He fights in the pits alongside Daenerys's guard when the Harpy's men finally strike in the open, and stands with what's left of the court when Drogon carries her off over the walls. Left holding a city that no longer has its queen in it, he sets out with Jorah Mormont into the Dothraki Sea to find her, since waiting in Meereen for news has never suited him.
Season Six
Finds Daenerys a captive of the Dothraki khals at Vaes Dothrak with Jorah, arrives to rescue her and discovers, as usual, that she has already solved the problem herself by burning the temple down around her captors. Escorts her back to a Meereen under siege by three slaver fleets, and watches her burn that problem too, from Drogon's back, while the city cheers. In council afterward she tells him plainly that he isn't sailing to Westeros with her — a foreign lover buys her no alliances there, and Meereen needs a steady hand more than her bed does — and leaves him behind with the Second Sons to hold the city, which is as close as Daario Naharis ever comes to being told no.
How it ends for them
The chronicle records no death for this soul — they are living when the tale leaves them, or their ending is a page the maesters have yet to turn.
Their chapters, book by book
A Storm of Swords 1 chapter that name them
A Dance with Dragons 2 chapters that name them
Where the page and the screen part
The screen and the page disagree about Daario from the skin inward. Book Daario is a deliberate grotesque — beard dyed blue and forked in three, a gold tooth, a mustachio waxed to points, arms ringed in gaudy metal — and readers meet him as Daenerys does, half repelled and wholly fascinated; the show, after one season of a fairly flamboyant version, recast him into a conventionally handsome soldier and never looked back, a change so total that the two Daarios function as different men telling the same role. Structurally the books split what the show merges: Daario there captains the Stormcrows, a separate company from Mero’s Second Sons, and his defection decides Yunkai’s field rather than following it.
The books also trust him far less. Their Daario is plausibly a liar about his own past, is loathed on principle by Barristan Selmy, and ends A Dance with Dragons as a hostage — handed to the Yunkish as surety for the peace, his fate hanging on a war about to resume. Whether he is merely a sellsword or something more corrosive to the queen’s judgment is a live question on the page; the show settled it kindly, and left him — as the books leave him, by different roads — alive, in Essos, out of the story’s ending.
Their journey
Where the two tellings send them to the same place the road runs whole; where they part, the screen keeps the left and the books the right.