Casting Time: 1 action
Range: 90 ft
Components: V, S
Duration: Concentration
, up to 10 minutes
Damage Type: Slashing
Save: Dexterity
You create a vertical wall of whirling, razor-sharp blades made of magical energy. The wall appears within range and lasts for the duration. You can make a straight wall up to 100' long, 20' high, and 5' thick, or a ringed wall up to 60' in diameter, 20' high, and 5' thick. The wall provides three-quarters cover to creatures behind it, and its space is difficult terrain.
When a creature enters the wall's area for the first time on a turn or starts its turn there, the creature must make a Dexterity saving throw. On a failed save, the creature takes 6d10 slashing damage. On a successful save, the creature takes half as much damage.
Verbal Component:
Murus di Cultas
Verbal Component (Alternative):
With these words, swords cascade; Sharp and serrated, this wall of blades.
Class: Cleric
Domain: War
Tags: Damage
Source: Player's Handbook [5th Edition] (page 218)
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Spell FAQs
Below are commonly asked questions about this spell. Some of the information is pulled official D&D sources (such as books and the twitter feeds of D&D officials), but other information is derived from forums and online discussions. As always, it is up to the DM to decide how they wish to spell questions. If you have a FAQ about this spell that you feel other DM's may wish to know, please send us the message!
Does blade barrier deal damage when you cast it?
No. The spell clearly states:
When a creature enters the wall's area for the first time on a turn or starts its turn there
In addition, the Sage Advice Compendium verifies:
Some spells and other game features create an area of effect that does something when a creature enters that area for the first time on a turn or when a creature starts its turn in that area. On the turn when you cast such a spell, you're primarily setting up hurt for your foes on later turns.
Can you throw a creature into blade barrier's area of effect to cause damage?
Yes, if you are capable of doing do. However that a creature is subjected to such an area of effect only the
first time it enters the area on a turn.
The official Sage Advice Compendium verifies:
Entering such an area of effect needn't be voluntary, unless a spell says otherwise. You can, therefore, hurl a creature into the area ... We consider that clever play, not an imbalance, so hurl away! Keep in mind, however, that a creature is subjected to such an area of effect only the first time it enters the area on a turn. You can't move a creature in and out of it to damage it over and over again on the same turn.
Other Planes and Effects
Below is information about this spell as it relates to other planes and area of effects (i.e. underwater). Some of the information is pulled official D&D sources (such as books and the twitter feeds of D&D officials), but other information is derived from forums and online discussions. As always, it is up to the DM to decide how they wish to handle spell effects.
Underwater - Verbal Component
Official rules have been verified by Jeremy Crawford - "No rule prohibits verbal components from working underwater. Keep in mind that if you're talking, you're not holding your breath." Hence, while submerged underwater and holding its breath, a creature can cast a spell that requires a verbal component. After casting the spell, if the creature can't breathe underwater, it immediately runs out of breath. The creature can survive for a number of rounds equal to its Constitution modifier (minimum of 1 round).
