Moonbeam, Lvl 2 Spell

Range: 120 feet
Target: 5-foot radius, 40-foot high cylinder
Duration: Concentration, Up to 1 minute
Saving Throw: Constitution
When a creature enters the spell's area for the
first time or starts its turn there, it must make
a saving throw. It takes 2d10 radiant damage
on a failed save, or half as much damage on a
successful one. On each of your turns after
you cast this spell, you can use an action to
move the beam 60 feet in any direction.