Just for fun discussion, all just my opinion, from a pvp perspective.

S and A actually pretty good sets widely used in good builds. B pretty situational and niche usage, there’s usually a better option. C is meme sets used only to feel different, but not entirely garbage. D absolute dogwater and could be deleted from the game and nobody would notice.

S. Clever Alchemist, Daedric Trickery, Dragon’s Appetite, Mechanical Acuity, Order’s Wrath, Shattered Fate, Wretched Vitality.

A. Ashen Grip, Deadlands Demolisher, Druid’s Braid, Fortified Brass, Heartland Conqueror, New Moon Acolyte, Nightmother’s Gaze, Oblivion’s Foe, Serpent’s Disdain, Stuhn’s Favor, Threads of War, Trial by Fire.

B. Aetherial Ascension, Ancient Dragonguard, Armor Master, Claw of the Forest Wraith, Coldharbor’s Favorite, Critical Reposte, Diamond’s Victory, Innate Axiom, Iron Flask, Seeker Synthesis, Sload’s Semblence, Tharriker’s Strike, Torug’s Pact.

C. Adept Rider, Assassin’s Guile, Dauntless Combatant, Eternal Hunt, Hundings Rage, Kagrenacs Hope, Kvatch Gladiator, Law of Julianos, Legacy of Karth, Morkuldin, Naga Shaman, Old Growth Brewer, Orgnum’s Scales, Red Eagle’s Fury, Telvanni Efficiency, Twice Born Star, Unchained Aggressor, Varen’s Legacy, Willow’s Path.

D. Alessia’s Bulwark, Armor of the Seducer, Chimera’s Rebuke, Daring Corsair, Death’s Wind, Eyes of Mara, Grave Stake Collector, Highland Sentinel, Hist Bark, Hist Whisperer, Magnus’s Gift, Might of the Lost Legion, Night’s Silence, Nocturnal’s Favor, Pelinal’s Wrath, Redistributor, Senche-Raht’s Grit, Shalidor’s Curse, Song of Lamae, Spectre’s Eye, Spell Parasite, Tava’s Favor, Twilight’s Embrace, Vampire’s Kiss, Vastarie’s Tutelage, Way of the Arena, Whitestrake’s Retribution.