Delayed Blast Fireball 5e: Unleash the Inferno!

Written by: Lee Smart



Time to read 11 min

Welcome, fellow adventurers and dungeon masters, to another exciting journey through the realms of Dungeons & Dragons 5th Edition (5e). In this blog post, we'll delve deep into the fiery mysteries of the "Delayed Blast Fireball 5e" spell, a spell that can turn the tide of battles, ignite imaginations, and set your campaign on fire. So, grab your spellbook, ready your components, and let's ignite the spark of knowledge.

What Delayed Blast Fireball 5e Actually "Does"

Understanding dnd 5e delayed blast fireball


Before we jump into strategy and tales of epic battles, let's take a moment to understand what Delayed Blast Fireball 5e brings to the table. Unlike some spells that offer straightforward immediate effects, this spell is all about patience and anticipation.

When you cast Delayed Blast Fireball 5e, a tiny bead of fire appears at a point you choose within range. This bead remains suspended in the air until it detonates, or until a creature touches it. The bead can be moved with a mere thought, making it a versatile tool for clever spellcasters. Once you release the fiery fury, it explodes into a massive sphere of flame, dealing substantial damage to all in its vicinity.


In the Core Books and Popular Opinion

The spell "Delayed Blast Fireball 5e" can be found in the Player's Handbook (PHB) under the Evocation school of magic. It's a 7th-level spell, requiring substantial spellcasting prowess to wield. The spell's description in the PHB paints a vivid picture of its destructive potential, but it's in the hands of players and dungeon masters that its true brilliance shines.

dnd 5e delayed blast fireball

Delayed Blast Fireball 5e

7th-level evocation

Casting Time: 1 action 

Range: 150 feet 

Components: V, S, M (a tiny ball of bat guano and sulfur) 

Duration: Concentration, up to 1 minute

A beam of yellow light flashes from your pointing finger, then condenses to linger at a chosen point within range as a glowing bead for the duration. When the spell ends, either because your concentration is broken or because you decide to end it, the bead blossoms with a low roar into an explosion of flame that spreads around corners. Each creature in a 20-foot-radius sphere centered on that point must make a Dexterity saving throw. A target takes 12d6 fire damage on a failed save, or half as much damage on a successful one.


The fire spreads around corners. It ignites flammable objects in the area that aren't being worn or carried.


At Higher Levels: When you cast this spell using a spell slot of 8th level or higher, the base damage increases by 1d6 for each slot level above 7th.


  1. High Damage Potential: Delayed Blast Fireball 5e has the potential to deal a significant amount of fire damage in a large area. It can be devastating against groups of weaker enemies or a powerful boss if used strategically.
  2. Versatility: The delayed aspect of the spell allows for creative and tactical use. You can place the bead of fire in a location that maximizes its impact, and its detonation can be timed for maximum effect.
  3. Area Control: It can be used for area denial, blocking off pathways or controlling the battlefield. Enemies will think twice about advancing into an area where a delayed explosion awaits.


  1. High Spell Slot Requirement: Delayed Blast Fireball 5e is a 7th-level spell, which means it's only accessible to high-level characters. Casting it requires the expenditure of a valuable spell slot.
  2. Concentration Requirement: The spell requires concentration, which means you can't maintain other concentration spells while it's active.
  3. Saving Throws: Its effectiveness depends on the Dexterity saving throws of your targets. Enemies with high Dexterity or Evasion-like abilities might take less damage.
  4. Friendly Fire: The spell can potentially harm allies if they are within the blast radius.

Damage Chart and Compatible Classes

Let's break down the numbers, you may need a set of dnd dice for this! Delayed Blast Fireball deals 12d6 fire damage upon detonation. The damage increases by 1d6 for each slot level above 7th. Here's a handy chart to illustrate the potential damage at higher levels:

  • 7th level: 12d6
  • 8th level: 13d6
  • 9th level: 14d6

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Breakdown of how each class can access  Delayed Blast Fireball

  1. Wizard: Wizards can learn Delayed Blast Fireball by leveling up and selecting it as one of their spells when they gain access to 7th-level spells. Wizards are known for their versatility in learning and preparing spells from their spellbook.
  2. Sorcerer: Sorcerers, on the other hand, have a different approach to spellcasting. They have a limited number of spells known, but they can choose Delayed Blast Fireball as one of their spells when they level up and gain access to 7th-level spells. Sorcerers also have the advantage of using Metamagic to enhance their spells, including Delayed Blast Fireball.

It's worth noting that other classes, like Bards or Warlocks, do not have Delayed Blast Fireball on their spell lists by default. However, some subclasses, feats, or multiclassing options might provide access to spells outside of their typical class spell list. Always consult the specific class and subclass features, as well as any feats or multiclassing choices, to determine whether a character from a different class can gain access to dnd 5e delayed blast fireball in your campaign. 

5e delayed blast fireball


Don't forget the role-playing aspect. Describe the anticipation, the sweat, and the fear as the bead hovers menacingly. The drama can add depth to your campaign and make the spell memorable.

"Delayed Blast Fireball is like a ticking time bomb of fiery devastation. It's one of those spells that keeps both players and DMs on their toes!"

- Matt Mercer, Critical Role.

Maximizing the Inferno: 5e Best Use of Delayed Blast Fireball with Strategies

Ultimately, the usefulness of Delayed Blast Fireball depends on your campaign, your character's role, and how well you can strategize and coordinate its use with your party. It can be an iconic and devastating spell in the right hands, making it a valuable addition to the spellbook of many spellcasters in D&D 5e.

Now that we know what Delayed Blast Fireball 5e is all about, let's talk strategy. How can you make the most of this spell in your campaign?

  1. Setting Traps

One ingenious way to use this spell is to set traps for unsuspecting foes. Cast it in a hidden location and then lure your enemies into the fiery blast radius. This can turn a potentially challenging encounter into a blazing victory.

  1. Area Denial

In combat situations, use Delayed Blast Fireball to control the battlefield. Cast it strategically to block off routes, forcing enemies to either take damage or find alternative paths.

  1. Epic Boss Battles

When facing a formidable boss, Delayed Blast Fireball can be your trump card. Cast it in advance, keeping the bead hovering while you deal with other threats. When the time is right, unleash the fiery explosion for maximum impact.

  1. Storytelling Flourish


A Dungeon Master's Guide to Managing DnD 5e Delayed Blast Fireball in Dungeons & Dragons

As a Dungeon Master (DM), one of your key responsibilities is to maintain balance and ensure that the game remains challenging, exciting, and fair for all players. When it comes to a potent spell like Delayed Blast Fireball in D&D 5e, managing its usage becomes crucial. Here's a brief guide to help DMs effectively handle this fiery spell in their campaigns.

  1. Enemy Awareness: Be aware of which player characters (PCs) possess Delayed Blast Fireball. This knowledge will allow you to plan encounters accordingly and introduce challenges that require more than just firepower to overcome.
  2. Counterspell and Dispelling Magic: Encourage players to engage in counterspell battles. Intelligent enemies may have spellcasters who can disrupt the delayed explosion or dispel the bead altogether, adding depth to encounters.
  3. Environmental Hazards: Use the environment to your advantage. Incorporate elements like strong winds, water, or magical barriers that can interfere with or redirect the explosion, forcing players to think creatively.
  4. Enemies with Resistance or Immunity: Some creatures in D&D have fire resistance or immunity. Introduce such foes strategically to ensure that Delayed Blast Fireball doesn't trivialize encounters.
  5. Legendary Resistan: High-level adversaries, especially bosses, may possess legendary resistances. Allow them to use these to avoid the full impact of the spell, creating tension and prolonging battles.
  6. Spell DisruptionDesign encounters that interrupt spellcasting concentration. Ambushes, surprise attacks, and enemies with abilities like silence can make maintaining concentration on Delayed Blast Fireball challenging.
  7. Fizzle or Misfire: Occasionally, the spell might fizzle or misfire due to in-game circumstances. Use this sparingly but to great dramatic effect, making players reconsider relying solely on the spell
  8. Reward Creativity: When players use Delayed Blast Fireball creatively, reward their ingenuity. Encourage role-playing, strategic thinking, and out-of-the-box solutions.

Remember, the goal is not to stifle player creativity but to ensure a balanced and engaging gameplay experience. By managing Delayed Blast Fireball thoughtfully, you can keep the excitement alive while crafting memorable adventures in the ever-enigmatic world of Dungeons & Dragons.

Spells that that share similarities with Delayed Blast Fireball 5e

 In Dungeons & Dragons 5th Edition (5e), "Delayed Blast Fireball" is a unique spell, and there aren't official variations of it with different names. However, there are other spells and abilities that share similarities with Delayed Blast Fireball in terms of delayed effects or area damage. Here are some spells and abilities that you might find interesting:

  1. Fireball (5e): While not exactly a variation, the standard "Fireball" spell is similar in that it deals area damage, but it doesn't have the delayed effect of Delayed Blast Fireball.
  2. Meteor Swarm (5e): This is another high-level spell that involves the raining down of meteors, causing massive damage in a large area. It doesn't have a delayed effect but is a spectacular area-of-effect damage spell.
  3. Trap Spells: Some traps in D&D may have effects similar to a delayed explosion, such as Glyphs of Warding or magical runes that activate after a trigger.
  4. Delayed Blast Lightning (Homebrew): Some Dungeon Masters create their own homebrew spells, and you could potentially find or create a "Delayed Blast Lightning" spell that functions similarly to Delayed Blast Fireball but deals lightning damage instead.


Keep in mind that variations of Delayed Blast Fireball might not be part of the official D&D 5e rules, but they can be created by Dungeon Masters or adapted from existing spells to fit the needs of a specific campaign or adventure.

"When I first used Delayed Blast Fireball in a campaign, the look on my players' faces was priceless. It's a spell that can make you feel like a true pyromancer."

- Avid Dungeon Master and Blogger

Tales from the Table: A Fiery Encounter

Now, let's dive into a thrilling story from the realm of tabletop adventures.

The Setting: A dank and perilous dungeon, where a group of intrepid adventurers faced off against a horde of undead monstrosities.


The Scene: Our hero, a talented sorcerer named Elara, had prepared Delayed Blast Fireball for just this occasion. As the undead closed in, she cast the spell, creating a flickering bead of fire that hovered ominously.


The players watched in anticipation as the battle raged on, drawing the undead closer to their fiery doom. Just when it seemed the heroes might be overwhelmed, Elara unleashed the delayed blast. The explosion was catastrophic, engulfing the undead horde in flames and saving the day.


In the world of Dungeons & Dragons 5e Delayed Blast Fireball is more than just a spell; it's a source of excitement, strategy, and unforgettable moments. Whether you're a player looking to unleash fiery devastation or a dungeon master seeking to challenge your players, this spell offers endless possibilities. So, go forth, adventurers, and let the delayed inferno light your path to glory in the realms of D&D 5e! Remember, mastering the art of Delayed Blast Fireball is about more than just fire—it's about wielding power and crafting epic tales, there have been some big discussions on Delayed Blast Fireball, which you can check out on Reddit

High Damage Potential: Delayed Blast Fireball has the potential to deal a significant amount of fire damage in a large area. It can be devastating against groups of weaker enemies or a powerful boss if used strategically.

High Spell Slot Requirement: Delayed Blast Fireball is a 7th-level spell, which means it's only accessible to high-level characters. Casting it requires the expenditure of a valuable spell slot.

Versatility: The delayed aspect of the spell allows for creative and tactical use. You can place the bead of fire in a location that maximizes its impact, and its detonation can be timed for maximum effect.

The Author: Quinny

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Frequently Asked Questions

Can you move the bead after casting Delayed Blast Fireball?

Yes, the spell allows you to move the bead as a bonus action on subsequent turns, so you can position it for maximum impact before detonating it.

Can the bead pass through solid objects?

The spell description doesn't explicitly mention that the bead can pass through solid objects. Typically, it would behave like other spells, meaning it can't pass through solid barriers unless a specific feature or rule allows it.

Can you choose when to detonate the Delayed Blast Fireball?

Yes, you can choose when to detonate it, but it's crucial to maintain concentration for the duration (up to 1 minute) or until you decide to end it. Once you release concentration or the duration ends, the bead explodes.

Does Delayed Blast Fireball require line of sight to the bead's location for detonation?

The spell description doesn't specify that you need line of sight to the bead for detonation. However, your DM may rule on this based on the situation and your character's knowledge of the bead's location.

Can you dispel or counterspell Delayed Blast Fireball?

Yes, the spell can be countered or dispelled like any other spell. Counterspell, dispel magic, or similar abilities can disrupt the spell before it detonates.

Does the damage from Delayed Blast Fireball affect objects?

Yes, the spell description states that the fire damages flammable objects in the area that aren't being worn or carried. It's up to the DM to determine the specific effects on objects.

Can you cast other spells while maintaining concentration on Delayed Blast Fireball?

Yes, you can cast other spells while concentrating on Delayed Blast Fireball, as long as those spells don't also require concentration. Concentration spells do not typically interfere with non-concentration spells.

Do creatures inside the area of effect get a saving throw?

Yes, creatures within the 20-foot-radius sphere centered on the bead's location must make a Dexterity saving throw to determine the damage they take. A successful save results in half damage.