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Mage Slayer 5E Feat [Tips For Fighting Spellcasters In DnD]

Mage Slayer 5E Feat
  Written By: Ashish Arya
Updated On: 10/27/2023
Est. Reading: 10 minutes

If you’re a fan of Dungeons and Dragons, there’s a good chance you’ve crossed paths with the Mage Slayer 5E. It’s not just any other feat in this beloved universe; it’s a game-changer, a perfect add-on for those seeking an extra edge against spellcasters.

No more crouching behind shields as wizards throw their worst spells at you. Take control of the game, break the mold of standard melee combat, and turn magic users into your playthings.

As you venture down this path, you’ll get to unravel unique perks that are capable of turning the tide in heated battles. This article will walk you through everything that Mage Slayer 5E brings to your gameplay, its essentials, and beyond.

Whether you’re seeking to broaden your feats repertoire or merely curious about what Mage Slayer 5E has up its sleeve, this read is for you. So grab your dice; let’s embark on an extraordinary journey toward mastering magecraft resistance.

The Mage Slayer 5E Feat Demystified

Mage Slayer 5E is a versatile combat feat in Dungeons & Dragons, specifically aiming at making one more effective against magic users.

It arms you with quick reflexes, defensive techniques, and substantial damage power. Essentially acting as magic-dampening armor, you can disrupt spellcasters effectively, deliver swift counterattacks, and remain resistant to their magical onslaughts.

Whenever a creature within 5 feet of you casts a spell, you get an opportunity to swing at them – a key perk that aids in preventing heavy magic-based damage.

When a creature within reach forces you into a saving throw because of their spell, your subsequent saves come with an advantage. Lastly, any spellcaster hit by your attack will struggle to maintain control over their ongoing spells.

Unleashing the Benefits of Mage Slayer 5E

Mage Slayer is a go-to feat in 5E for champions who crave to level the playing field with magic-wielding entities.

Unleashing the Benefits of Mage Slayer 5E

With incredible perks that directly counteract magical prowess, it enables you to face spellcasters with more confidence.

  • Advantage on Saving Throws: When a spellcaster within your reach compels you to make a saving throw, you have the upper hand with an advantage. This edge shields you from potentially devastating effects by amplifying your resilience against the magical assault.
  • Distortion for Concentration Spells: Strike fear in the heart of spellcasters when their spells find their mark on you. Each time your attack hits them, they find it harder to keep their focus and maintain control over their concentration-dependent spells.
  • Reaction-Fueled Retaliation: The pièce de résistance of Mage Slayer 5E is its reactionary mechanic. Whenever a creature within 5 feet of you casts a spell, guess what? You earn an attack opportunity – free of charge! This quick reprisal can slice into opponents’ health pools before they release damaging spells or heal back up.

These benefits allow you to test your teeth against arcane casters and offer a revolutionary perspective on melee combats by twisting them in favor of non-magic users.

These significant advantages empower every standard Dungeons & Dragons combat scenario, bridging gaps between brawn-and-bone warriors and crafty spell-wielders.

Also Read: Feats 5E Guide [How To Choose And Leverage Feats Effectively]

Is Mage Slayer a Worthy Feat?

Yes, indeed, Mage Slayer 5E is worth considering for your character, especially if you tend to face off against magic users often. It gives you an upper hand against spellcasters, allowing you to retaliate promptly and prevent heavy damage.

By providing opportunity attacks, advantages on saving throws, and disrupting enemy concentration, the Mage Slayer feat positions your character as a formidable adversary for any magic user.

It adds a level of strategy besides its combat benefits. So, next time you find yourself in a magical duel, remember the potent power of the Mage Slayer feat at your disposal.

Maximizing Mage Slayer: Ideal 5e Classes for the Feat

The true potential of any feat in Dungeons & Dragons (D&D) comes to light when it perfectly complements your character class.

Maximizing Mage Slayer: Ideal 5e Classes for the Feat

While the Mage Slayer 5E is no different, its utility can truly shine when combined with certain distinct classes. Let’s delve into how some of these classes can benefit from this potent feat to bring down magic-wielding foes.


Artificers are unique in their ability to intertwine magic and technology, making themselves versatile warriors on the battlefield. Infusing the Mage Slayer 5E feat into an Artificer could mean a powerful defender against magical threats.

Having a strong constitution as part of their class abilities, Artificers already have a high natural resistance against spellcaster attacks.

Adding the Mage Slayer feature maximizes their survival chances by disrupting spell concentrations and giving an advantage on saving throws, thus solidifying their stand against magic users.

Also Read: Artificer 5E Guide 2024 [Level Up Your D&D Gameplay]


Barbarians are all about physical prowess and sheer rage in battle; they might seem odd candidates for an anti-magic feat like the Mage Slayer 5E.

Consider their Rage ability that boosts physical resiliency and damage output – it’s a goldmine waiting to be paired with this feat! Barbarians engaging a spellcaster could effectively use this rage-fueled offensive alongside Mage Slayer capabilities to unleash havoc upon enemy mages.

They do not forget that their high health pool and innate damage reduction from Rage also make them durable enough to hold their ground while disrupting casters.

Also Read: Barbarian 5E Class Guide DnD [Tactics, Strategies, And Tips]


The mere thought of mixing Bards – traditionally magical performers – with the Mage Slayer feat could stun many D&D enthusiasts at first.

But wait till you play it out! The Bard’s versatility allows them to morph into efficient combatants – especially if you opt for battle-focused Colleges like Valor or Swords.

Throwing the strengths of Mage Slayer 5E into this mix enables the Bard to skirmish with enemy spellcasters defensively, warding off incoming spells and retaliating effectively.


Clerics stand as divine conduits in D&D, blending magic and martial prowess seamlessly. Intriguingly, Clerics aligned with the War Domain can make excellent use of Mage Slayer 5E.

They inherently have Magic Resistance from their domain; pairing that with this feat could amplify their anti-magic capacities significantly.

Having access to a vast range of spells themselves, along with their heavy armor proficiency and melee capabilities – bolstered by the Divine Strike feature – they can step in as frontline disruptors against enemy mages while weathering magical blasts.


Druids are typically nature’s guardians, wielding magic drawn from the natural world around them. The Mage Slayer 5E feat can be a surreal addition to a Circle of the Moon Druid, transforming them into resilient capstones in the fight against enemy spellcasters.

Upon wild shaping into a form with high movement speed and massive hit points, they can strategically get close to spellcasters.

They are combining their ability to cast while in beast form with Mage Slayer’s potential, allowing them to undermine adversary casters dramatically.


Fighters bear the mantle of being one of the most versatile martial classes in D&D. They are known for their fighting prowess and resilience, which makes them excellent candidates for harboring the Mage Slayer 5E feat.

With their multiple attacks per turn feature, they can constantly barrage enemy spellcasters and disrupt their concentration – one of the key aspects of this feat.

Further, Battlemaster Fighters could use maneuvers like “Menacing Attack” alongside Mage Slayer to impose more control over enemy mages.


Monks embody discipline and speed in D&D, presenting an exciting opportunity for synergy with Mage Slayer 5E feat. Their potent Stunning Strike ability purports brilliantly with this feat.

It not only breaks enemy caster’s concentration on spells but incapacitates them, further curtailing their magical onslaughts.

Monks’ exceptional mobility lets them reach and engage enemy mages quickly on the battlefield – a great advantage when paired with this anti-mage build.

Also Read: Monk 5E In D&D [Class Features, Subclasses, And Strategies]


The holy knights that Paladins are known as specialize in delivering divine smite and combating malicious forces head-on, including magic users.

The defensive potential lying within this class, alongside their radiant-damage smites, forms an advantageous liaison with Mage Slayer 5E’s features.

This blend ensures that both offense (via Divine Smites) and defense (through protective auras) work concurrently towards dismantling enemy spellcasters.


Rangers in D&D are cunning fighters skilled in tracking down specific enemies. If their preferred enemy happens to be magic users, the Mage Slayer 5E feat could be their best ally.

By focusing their Hunter’s Mark on a hostile caster and using unique combat features like Colossus Slayer or Horde Breaker, Rangers can invoke persistent damage and disruption unto their mage adversaries – maximizing the potency of this anti-magic feat.


Rogues, masters of stealth and misdirection, can turn the Mage Slayer 5E feat into an absolute terror for poor spell-slingers. Their Uncanny Dodge already allows for halved damage against direct hit attacks.

Pair this with opportunity attacks made possible through Mage Slayer, and you’ve got a silent spellcaster killer. Rogues could slyly slide within the range of enemy mages undetected, ready to strike as soon as a spell is cast.

Sneak Attack – their trademark skill – would then come into play, dealing substantial damage and potentially disrupting the magical concentration.


While Sorcerers themselves rely heavily on magic, leveraging the Mage Slayer 5E brings an interesting angle to their gameplay. Your Metamagic options as a Sorcerer already allow you to perform some unique tricks with your spells, but combining this with the feat transforms you into a mobile disruption engine.

The key here is to utilize your high mobility and close in on enemy spellcasters quickly, making them work far harder to keep their spells going under your relentless pressure.


Warlocks possess that unique blend where martial might meets Arcane magic. A Warlock bestowed with the Mage Slayer feat becomes a formidable foe for any spellcaster.

Imagine unleashing the fury of Eldritch Blast on a spellcasting adversary while countering or resisting magic thrown at you. That’s what this potent combination offers.

Classes like Hexblade Warlocks could enjoy brawling with mages due to their strong melee capabilities, further enhanced by this feat.


Who, at first glance, may appear odd candidates for Mage Slayer 5E, given they are powerful spellcasters. However, there’s grace in this dichotomy.

By providing Wizards with defenses against rivals of similar capabilities and enhancing their counterattacks following enemy spells cast nearby, it optimizes their strengths and shields against their inherent weakness – physical vulnerability.

This immense tactical value makes the pairing worthwhile. The quintessential magic vs magic duel transitions into a game of chess employing careful maneuvers, tactics, and high-stakes countermagic. In this spectacle, the Mage Slayer Wizard stands as a grandmaster.

Read More: Backgrounds In The Wild Beyond The Witchlight [DnD 5E]

Discover the Ideal Candidates for Mage Slayer 5E

Character classes in Dungeons and Dragons determine how equipped your character is for different feats. Only a few classes can fully leverage the game-changing powers of the Mage Slayer 5E. Let’s delve deeper into identifying the perfect match for this feat.


Fighters are renowned for their broad range of abilities, making them one of the best classes to exploit the Mage Slayer feat to its fullest.

Their numerous attacks per round exponentially increase the pressure on enemy spellcasters, limiting their spell availability and overall effectiveness.

Fighters’ robust constitution score also boosts the feat’s functionality, providing resilience against magical onslaughts. With the fighters’ Battle Master subclass, you can use maneuvers like Disarming Attack or Menacing Attack to disrupt spellcasting foes further.


Rogues, with their uncanny capacity for evading danger, make excellent mage slayers. They have a knack for brief yet dominant encounters, hence suffering less from magic attacks.

When equipped with Mage Slayer 5E, they come alive in battling magic users thanks to their Sneak Attack feature – that sweet extra damage against distracted foes.

What’s more fascinating is combining this feat with their Cunning Action; rogues then become proficient disruptors on battlefields by hindering mages’ concentration while swiftly ducking behind cover.


Giving Paladins the Mage Slayer 5E feat is like offering a shark its favorite prey; it’s just too good to pass up! Paladins already have an impressive resistance against spell attacks from their divine abilities like Auras and Lay on Hands cleansing spells or conditions.

With Mage Slayer feet added in, they become even more formidable opponents for magic users. Imagine unleashing Divine Smite right after making an opportunity attack triggered by Mage Slayer.

It not only brings massive damage but also sends a powerful message about who runs the show when it comes to locking horns with spellcasters.

Also Read: Paladin 5E Class Guide DnD [Abilities, Roles, & Strategies]

Unraveling Mage Slayer 5E’s Limitations

Even when the Mage Slayer feat sounds like the ultimate counter to spellcasters, it’s important to note that its efficacy varies based on your character class.

Unleashing The Benefits Of Mage Slayer 5E

Some classes just aren’t designed to maximize this feat’s potential as they would others. What are those classes? Here, we delve into some of those less-compatible classes with the Mage Slayer feat.


Barbarians boast raw power and brute force, making them a force to reckon with in physical combat. However, their lack of mental acuity and focus means they often struggle with magical threats.

When equipped with the Mage Slayer feat, their potential is constrained by their limited spellcasting capabilities. The feat’s reaction-based mechanics also don’t mesh well with Barbarian’s rage ability – which limits what you can do on reactions.

It becomes apparent that Barbarians could benefit more from feats that enhance resilience or increase melee damage output than from Mage Slayer.


Monks are mostly melee fighters focusing on unarmed strikes and mobility rather than combating magic users head-on. Their strengths lie in speed, agility, and stunning attacks – which may not fully align with the Mage Slayer tenets.

Though they could capitalize on Mage Slayer for attacks of opportunity (thanks to their enhanced mobility), the idea of baiting a spell to get an opportunity attack can be risky and unpredictable.

Investing in improving their core abilities, such as “Stunning Strike,” or obtaining feats like “Mobile” may provide them with a higher return on investment.

Full casters with a Martial Subclass

The idea behind Fullcasters adopting a martial subclass is typically about supplementing their magical power with some degree of physical prowess, emphasizing a balanced style of combat utilizing spells and weapons alike.

Due to their emphasis on casting spells rather than battling other spellcasters directly, Mage Slayer seems less useful to them as well.

Full casters, by nature of their class, are not usually equipped to rush into melee range – an area where Mage Slayer shines. That said, the feat could potentially have some use in a hybrid combat style – but it may not be optimized fully.

Prioritizing spellcasting enhancement feats or dual-style combat feats might give them better turnouts.

Explore More: Why Are DnD Backgrounds Important? [16 Best Backgrounds of DnD]

FAQs about Mage Slayer 5E

What character builds are best suited for the Mage Slayer 5E feat?

The Mage Slayer 5E feat shines the brightest on melee-oriented characters such as Fighters, Paladins, and Rogues, who are frequently in close combat with enemy spellcasters.

Does the Mage Slayer 5E feat provide a reaction attack for self-casting spells?

No, Mage Slayer only triggers a reaction attack when a creature within 5 feet of you casts a spell, excluding instances of self-casting.

How does Mage Slayer help against Concentration spells from enemies?

When you hit a spellcaster with an attack, they suffer a disadvantage on Concentration checks made to maintain their spells – an invaluable perk during battles against magic-users.

Can Mage Slayer 5E be stacked with other feats?

Absolutely! Actions granted by feats like Sentinel can work in concert with Mage Slayer, enabling a flurry of reactions and opportunity attacks against enemy spellcasters.

Is every character class equally beneficial from Mage Slayer 5E?

Not quite. While melee combatant classes like Fighters or Rogues might heavily benefit from this feat’s abilities to thwart spellcasters, others such as Barbarians or Monks who have different focuses may find less utility in it.


  • Ashish Arya

    I'm a tech enthusiast and lifelong gamer, hailing from the beautiful city of Chandigarh. My passions range from immersing myself in worlds like GTA V, COD, SIMS, Roblox and Minecraft to exploring the latest innovations in laptops and technology. Armed with a Bachelors Degree in Computer Application, I love sharing my insights through writing and engaging with fellow enthusiasts. Join me on my journey through the ever-evolving realms of gaming and tech!