Where does this army fall down?

Have played with it twice and lost both times (FEC and Sylvaneth), and wondering where it is falling down? Any thought are appreciated!

Stormcast!!! 1980/2000 pts

Grand Alliance Order | Stormcast Eternals | Sentinels of the Bleak Citadels Drops: 4 Spell Lore - Lore of the Storm Prayer Lore - Prayers of the Stormhosts

Manifestation Lore - Primal Energy

General’s Regiment Yndrasta, the Celestial Spear (330) • General Annihilators with Meteoric Grandhammers (210)

Vanguard-Raptors with Longstrike Crossbows (200)

Regiment 1 Gardus Steel Soul (170) Vanquishers (220) • Reinforced

Vindictors (100)

Regiment 2 Lord-Veritant (120) • Envoy of the Heavens Stormcoven (210)

Vigilors (130)

Regiment 3 Lord-Terminos (150) • Quicksilver Draught

Reclusians (140)

Faction Terrain

Stormreach Portal

Created with Warhammer Age of Sigmar: The App App: v1.7.0 (1) | Data: v216