Dragon Rises from the Sea (5e Spell)
From D&D Wiki
|Casting time:||1 action|
|Range:||Self (60-foot line)|
|Components:||V, S, M (a martial melee weapon worth at least 1 gp)|
As you swing the weapon used in casting this spell, you conjure massive waves of energy. You create three 60 foot long, 5 foot wide lines. Any creature within a line must make a Dexterity saving throw, or take 3d6 magical slashing damage.
At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, it deals 1d6 more slashing damage for every level above 3rd.