Stormlash

Lightning Spell, Tier 3, 2 Actions, AoE

Line: 12. Damage: 3d8+4 (ignoring metal armor). Surviving creatures are Dazed on a failed STR save, or Incapacitated instead for 1 of their turns if they fail by 5 or more. Creatures with a large amount of metal (e.g., armor or a longsword) roll with disadvantage. Upcast: +4 damage.

From Core Rules