Magic is a key element of Dungeons & Dragons, being available to various playable classes as well as many monsters that adventurers may encounter in their travels. Magic comes in a wide variety of forms that can be used to assist one's allies or harm their foes.
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While some spells such as Fireball offer an instantaneous effect, there are countless spells that can be maintained for longer periods of time. These spells are known as Concentration spells, requiring a caster to maintain Concentration on a given spell in order to maintain its effect. To help newcomers to D&D, we'll be explaining the ins and outs of Concentration in Dungeons & Dragons!
Upon casting a Concentration spell, its caster is capable of concentrating on that spell for an amount of time denoted by the spell. For example, while the spell Moonbeam can be maintained for up to one minute (ten rounds in combat), the spell Protection from Evil and Good has a potential duration of ten minutes. If for any reason a caster wants to stop concentrating on a given spell, they can do so with no action or reaction required, immediately ending that Concentration spell's effects.
It's important to note that a character is incapable of maintaining Concentration on more than one spell at once, meaning that if you want to cast a second Concentration spell when you're already maintaining Concentration of another spell, the effects of the first spell would end.
Though a caster is incapable of concentrating on more than one spell at once, they are still capable of performing other actions such as attacking or even casting other spells under the condition that the spell has a casting time of one action. This means that even
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