Halfling Fighter Build Guide

Levels 1-4

Start with the Dueling fighting style and equip a Longsword and Shield. At level 3, select the Battle Master archetype. Take Trip Attack, Precision Attack, and Menacing Attack. Menacing Attack is particularly potent since your 15 Strength sets a decent DC, and Frightening an enemy locks down their movement. At level 4, take a split Ability Score Improvement to bump your STR to 16 and your CON to 14, instantly increasing your melee DPR and granting a retroactive hit point bump.

Levels 5-10

Level 5 brings Extra Attack, effectively doubling your chances to trigger Halfling Luck on a natural 1. At level 6, use your bonus ASI to take the Shield Master feat. Because you have Halfling Nimbleness, you can move through a Medium enemy's space, turn around, and use your Shield Master bonus action to shove them prone toward your own party. At level 8, push your Strength to 18 to keep your attack rolls competitive. For your level 10 maneuvers, add Disarming Attack and Bait and Switch.

Levels 11-16

Level 11 unlocks Extra Attack (2), cementing your role as a reliable Striker with 10.73 sustained melee DPR. At level 12, cap your Strength at 20. Level 14 is critical: your base 10 Wisdom is now a massive liability against high-tier spellcasters. Take the Resilient (Wisdom) feat. Even though it only bumps your WIS to 11, adding your +5 proficiency bonus to Wisdom saving throws prevents you from being permanently mind-controlled. At level 16, grab the Slasher feat to round out your utility, reducing enemy speeds by 10 feet when you hit them with your Longsword.

Levels 17-20

At level 17, you gain your second Action Surge. At level 20, Extra Attack (3) comes online. You are now making four attacks per Attack action. Combine this with Trip Attack to knock an enemy prone on the first hit, then make the remaining three (or seven, with Action Surge) attacks at advantage. Halfling Luck ensures that even with this massive volume of dice, you will almost never miss due to a natural 1.

Shield Master

Take this at level 6. As a Battle Master, your bonus action is largely free. Shield Master allows you to shove an enemy prone after taking the Attack action. Combining this with Halfling Nimbleness lets you run through an enemy's space and shove them backward into your party's hazard spells like Spike Growth or Wall of Fire.

Resilient (Wisdom)

Mandatory at level 14. With a starting Wisdom of 10, tier 3 and 4 enemies will easily hit you with Dominate Person or Hold Person. While your Brave trait helps against being Frightened, it does nothing against charms or paralysis. Proficiency in Wisdom saves is non-negotiable for a late-game Fighter.

Squat Nimbleness

An excellent half-feat option if you need to round out an odd Strength or Dexterity score. It increases your movement speed from 25 to 30 feet, negating the standard Halfling speed tax, and gives you advantage on Acrobatics or Athletics checks to escape grapples—crucial since your Small size makes you an easy target for Large grapplers.

Tier 1 (Levels 1-4)

Start with Chain Mail, a Longsword, and a Shield. Your AC will be a comfortable 18. Carry a bundle of Javelins for ranged combat; since they are thrown melee weapons, they use your 15 Strength rather than your 14 Dexterity.

Tier 2 (Levels 5-10)

Upgrade to Plate Armor as soon as you can afford the 1,500gp, pushing your AC to 20. Seek out a +1 Longsword to bypass non-magical bludgeoning/piercing/slashing resistance, and look for Winged Boots to solve your lack of ranged options against flying enemies.

Tier 3 (Levels 11-16)

You want a Flame Tongue Longsword. Because you are making three attacks per turn (six with Action Surge), adding 2d6 fire damage to every hit scales your damage exponentially better than a standard +2 weapon. A Cloak of Displacement is also highly recommended to force disadvantage on incoming attacks.

Tier 4 (Levels 17-20)

Aim for a Belt of Storm Giant Strength to instantly push your Strength to 29, maximizing your Battle Master maneuver DCs and attack rolls. Pair this with a +3 Shield for near-impenetrable AC while you wade through the enemy lines using Halfling Nimbleness.

Your role is a frontline Striker and tactical disruptor. Because you lack Darkvision, you desperately need a spellcaster like a Light Domain Cleric or a Wizard who can cast Light or Darkvision on you before entering dungeons. Otherwise, your 10.73 DPR drops significantly due to attacking in darkness.

This build shines brightest alongside an Order Domain Cleric. Their Voice of Authority feature allows you to make reaction attacks when they target you with a spell. Because Halfling Luck applies to these reaction attacks, you are the most reliable target for this buff. You also pair incredibly well with a Wolf Totem Barbarian; since you'll be fighting side-by-side in melee, their aura grants you permanent advantage, ensuring your Trip Attacks land consistently.

Barbarian 2 Dip

Taking two levels of Barbarian for Rage and Reckless Attack is incredibly potent for a Strength-based Halfling Fighter. Reckless Attack guarantees advantage on your Longsword strikes, making your Battle Master maneuvers land reliably. Furthermore, Danger Sense pairs beautifully with the Shield Master feat, giving you advantage on Dexterity saves to take zero damage from fireballs.

Rogue 3 Dip (Swashbuckler)

If you swap the Longsword for a Rapier (using Strength for the attacks to keep your STR priority), three levels of Swashbuckler Rogue grants you Fancy Footwork. This synergizes flawlessly with Halfling Nimbleness, allowing you to run through an enemy's space, strike them, and retreat without provoking opportunity attacks, completely ignoring the need for the Disengage action.

• Using Heavy Weapons: The biggest trap for a Halfling Fighter. Small creatures have disadvantage on attack rolls with Heavy weapons. Put the Greatsword down and pick up a Longsword and Shield.
• Forgetting Halfling Nimbleness: Don't just stand at the chokepoint. You can move through the space of any creature that is Medium or larger. Run through the enemy front block and Trip Attack the Wizard in the back.
• Ignoring your 10 Wisdom: Fighters naturally lack Wisdom save proficiency. By level 10, if you haven't planned to take Resilient (Wisdom), you will spend entire combats paralyzed or mind-controlled.
• Fighting in the Dark: Halflings do not have Darkvision. If you don't carry torches, buy a Driftglobe, or have a caster cast Light on your shield, you will attack with disadvantage in dim light/darkness.