I’ve avoided this one for a long time, purely because of the sheer amount of warscrolls in the book.
Battle Formation

Overall pretty balanced, both internally and externally. Vanguard Wing (Once per turn, in your movement phase you may pick a Vanguard Chamber unit that did not move and that is not in combat, roll a dice. On 3+, remove the unit and set it up anywhere more than 9″ away from enemy units) and Sentinels of the Bleak Citadels (Once pet turn, during the hero phase, pick a friendly Ruination Chamber unit. That unit has Ward (5+) for the rest of the turn) are two most popular choices.
Artefacts

Mirrorshield is the most popular choice of Stormcast players – Mirrorshield means the bearer cannot be targeted by shooting attacks unless the attacking model is within 9″.
Heroic Traits

Envoy of the Heavens is the most popular (If a friendly Stormcast Eternals unit was destroyed in the previous turn, pick a visible friendly Stormcast Eternals unit wholly within 12″ of the bearer to be the target. That unit has Ward (5+) until the start of your next turn).
Manifestations

Morbid Conjuration.
Warscrolls

Lots of Warscrolls…. yes.
Performance v Other Factions

Stormcast perform adequately against the meta leaders Nighthaunt and the 2nd most popular army Slaves to Darkness.
Close
As always, you’ll probably (and quite rightly) disagree with me on a lot of these points. Why not let us know I’m the comments below what you think to the Stormcast Eternals.

Great content as always.
Is the Knight-Arcanum missing?
Sorry have corrected that now!
How does Lord-Terminos have 0 games? I’ve seen him in some lists. Is it because of the typo in the chart – “Lord-Teminos”?
I’m a donkey and can’t type. Yes, that’s exactly why. I’ve corrected that now.