A shimmering wall of moonlight appears at a point you can see within range. The wall appears in any orientation you choose: horizontally, vertically, or diagonally. It can be free floating, or it can rest on a solid surface. The wall can be up to 60 feet long, 10 feet high, and 5 feet thick. The wall is translucent and doesn’t block line of sight, and creatures and objects can pass through it. It emits a bright light out to 60 feet and dim light for an additional 60 feet.
When the wall appears, each creature in its area must make a Constitution saving throw. On a failed save, a creature takes 2d8 radiant damage, 4d8 if it is undead, or half as much on a successful save.
A creature that fails its saving throw is also affected by a clinging aura of moonlight. A creature with the moonlight aura is highlighted as though by a faerie fire spell; it sheds dim white light in a 10-foot radius, it can’t benefit from being invisible, and attack rolls against it have advantage if the attacker can see it. A creature affected by the moonlight aura can make
a Constitution saving throw at the end of each of its turns, ending the effect on itself early on a success. A creature that starts its turn within the wall of moonlight, enters it for the first time on a turn, or ends its turn there must also make a saving throw or take the radiant damage (half on a successful save) and be affected by the moonlight aura. Once a creature succeeds on its saving throw against the moonlight aura, it is immune to it for 24 hours.
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