Warning : This clause contain major spoilers for the 2d book , Iron Flame .

Summary

The third Holy Scripture in the Empyrean serial publication , Onyx Storm , has been unveil and its form of address powerfully implies that it will cause serious fuss for the flying lizard Tairn and Sgaeyl . While the first Word of God , Fourth Wing , dealt for the most part with Violet pull through the trials of becoming a rider at Basgiath War College , the second book , Iron Flame , plunge even further into the terror model by the venin . As humans who take up king instantly from the author , they become " Dark Wielders , " corrupted by the raw power and growing twisted and evil .

ThelengthyIron Flamebookrevealed the full extent of the venin ’s plans , as well as the strength of their army . After the use up forces at Basgiath were overwhelmed , it speedily became clear that substantial forfeit would have to be made to stop the venin . Violet ’s mother , General Sorrengail , became the first to willingly burn herself out to spare her girl from the same destiny . Unfortunately , it was too recent for Xaden , who made the foolish and arguably stupid conclusion to knock at once into the source to save Violet , not knowing of General Sorrengail ’s ritual killing . Now Xaden is change state venin , and it means everyone in their bonded grouping will have problems in theOnyx Stormbook .

What The Title Onyx Storm Might Mean

A Hint Was Given With The Title Reveal Of The Third Book

Thethird Empyrean book title , Onyx Storm , was announced in March , and with it came a few promotional Instagram bobbin . One featured a voiceover of Tairn talking to someone and about Violet , saying she had to be quick for the war heading their manner . Another one was plainly a series of text box that described Violet having to save Xaden ’s soul and that ’s likely the tempest being referred to in the title .

A further cue is good in the title . Repeatedly inFourth WingandIron Flame , Violet bring up to Xaden ’s centre as " atomic number 79 - flecked onyx . " Considering it ’s a rather impossible eye color , the wording is substantial , and it ca n’t be a happenstance that " onyx " was chosen for the title . To Violet , fighting to make unnecessary Xaden from the venin depravity threatening to overtake him will be the knockout battle for her and Xaden inOnyx Storm . The violent storm in enquiry will be the one bait in spite of appearance of him as he fight for mastery between his human side and his venin side . unluckily , Xaden ’s heady and selfish conclusion to tap into the source at the end ofIron Flamedoesn’t just affect him and Violet , but will impactFourth Wing ’s firedrake , too .

How Xaden Will Cause Problems For Tairn & Sgaeyl

The Complicated Bonds Of The Group Make Everything Messier

There were already hints inIron Flamethat Xaden ’s conclusion would cause problems for Tairn and Sgaeyl ’s human relationship in the future . When Xaden tapped into the source and became corrupted , Sgaeyl was initially the only one who knew and monish Tairn and Violet to be gentle with Xaden . She is protective of her rider in the same way that Tairn is protective of Violet . It will undoubtedly make even more problem than the tight - knit grouping already had .

Xaden ’s 2nd signet power was already a challenge for him in the Empyrean serial publication , but the third rule book , Onyx Storm , will make it even bad .

As her better half , Tairn is Sgaeyl ’s priority – except for Xaden . similarly , Tairn invest Violet ’s safety above others . Now that Xaden will be fighting to not reverse full venin inOnyx tempest , Tairn will be even more suspicious of him and protective of Violet . If he crosses a cable that Tairn thinks is a step too far , he ’ll have no problems clashing with Xaden , even threatening him . It puts Sgaeyl in a terrible position : she knows how life-threatening the venin are , but she ’s also firm to her rider . There will sure be a few times in the third playscript that navigating the thorny field have a rift between Sgaeyl and her mate . Considering dragons ' ferocity , if the duet ever fight , even if not physical , it could be a bestial conflict , indeed .

A collage of a black dragon over the official artwork for Onyx Flame

Onyx Stormwill be useable in book retailers on January 21 , 2025 .

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Cropped cover of Onyx Storm: image of a dragon silhouette against a bright sun

Fan art of Violet saving Andarna and being protected by Tairn during the Threshing in Fourth Wing

Art by @Rosiethorns88