Have you ever been interrupted while you were focused on a task and lost your train of thought? You can cast it again on your turn, but it’s always better to avoid losing the spell in the first place. If you lose concentration, the spell ends.

Therefore, the name of the game is maintaining concentration. Keep an assortment of instantaneous spells so you can mix them in while concentrating. That being said, you also want to avoid having too many concentration spells, since they can only be cast one at a time. When choosing spells for your character, consider a balance of concentration spells to get the most out of your spell slots. This is especially useful to consider for classes with limited spell slots, like: This means that you could have one spell slot last an entire encounter if you are able to maintain your concentration. Many of them last for at least “one minute”, which is ten rounds of combat.

Spells that require concentration are usually powerful. Casting another Spell that Requires Concentration