Maybe 9th will tell us.
via an anonymous source on Faeit 212
here are the formation
The Beast Waaagh!
Grimgor Incarnate, 2 units of black orcs, orc boyz and Ogres, plus 1 unit of orc boar boyz, , ironguts, and leadbelchers, and 1 giant.
Orcboyz and Orc boar boyz must be upgraded to big uns
No units in the formation take animosity tests
All units benefit from waaagh and can re-roll one or more dice for charge range.
The Host of Shadow
Malekith, 1 unit of black guard, phoenix guard, wildwood riders, darkshards, black arc crusaders, high elf spearmen and a War Hydra.
no units have to take dangerous terrain tests and shooting attacks against Malekith or units within 12 are at -1 to hit
Increases Steed of Shadow to 36, and can do so multiple times.
Host of Life
Alarielle, Durthu, nasetra and arahan-must be mounted, 1 treeman ancient, 1 handmaiden, 1 sisters of avelorn, 2 glade guard, 1 deepwood scouts, 1 wild riders, and 3 units of dryads.
all units have regeneration, Durthu and treeman ancient get hatred against any enemy unit within 12 of Arielle.
Host of Light
Tyrion, Imrik, 2 high elf princes, 2 knight orders, 1 reiksguard, 1 demigryph knights, 2 lothern skycutters, 2 silver helms, and 1 unit of cold knights.
Gain +d3 result in close combat if they charged this round.
Hatred towards daemons and undead
The Blood Hunt
Wrath of Khorne, bloodthirster Insenate Rage, and 1 unfettered fury, 3 units of bloodletters, 1 of bloodcrushers, and 2 of flesh hounds.
d3 units get vanguard deployment rules
all have hatred and can re-roll failed charges.
Army of Blight
Isabella, great unclean one, 3 units of plague bearers, 1 of plague drones, and 2 units of nurglings.
enemy units have -1 leadership, their generals inspiring presence is reduced by 6", and shooting attacks a -1 to hit.
The Host of Death
Nagash, Arkhan-mortarch sacrament, Krell mortrach despair, 1 unit of Morghasts, Morghasts Archai, Grave Guard, and Black Knights.
Arkhan get a +3 bonus to casting results
Grave Guard and Black Knight have WS5 and suffer two less wounds from unstable.
Host of Fire
Caradryan, 2 units of Asuryan, 1 unit of white lions, Har Ganeth executioners, and eternal guard.
Asuryan must take flamespyre
All models get devastating charge and flaming attacks
Wake of Fire at +1 strength
Throng of Metal
Balthasar Gelt, runelord, 2 units of thunderers, 1 unit of irongdrakes and ironbreakers, 2 cannons, 1 organ gun. 2 gyrocopters
+1 armour piercing and saves
on a 5+ warmachines and units armed with ranged weapons can shoot again.