I'm going to play a half-orc Barbarian (with a STR modifier of +4) in a soon-to-begin, pure PHB D&D 5E campaign, starting at level 1, and I'm wondering what the best overall attacking style is, combined with the corresponding feat: one great weapon (d12) or two regular weapons (2d8)?

I've almost always seen barbarians played with Great Weapon Master and a two-handed weapon (usually a greataxe), exploiting the advantage on attack rolls granted by Reckless Attack as a mean to both counteract the -5 to the hit and increase the likelihood of a natural 20, by which the feat also grants another attack.

  • Altogether, at level 1, I could deal a maximum of 28 damage (12 + 4 STR + 2 rage + 10 GWM), increasing to an utterly disgusting - also thanks to the half-orc's Savage Attacks - 104 damage (2x 3x12 + 2x 4 + 2x 2 + 2x 10 GWM) when critting both the regular and the bonus action attack granted by Great Weapon Master. However, that comes at the cost of a reduced probability of hitting or, when using Reckless Attack after level 2, a higher chance of being hit.

The Dual Wielder feat caught my attention both for the free +1 AC when weilding two weapons and the ability to use two non-light weapons at the same time, e.g., battleaxes. When weilding two weapons, one can use a bonus action to attack a second time, without adding the ability modifier to the damage.

  • The output is lower, at maximum 24 (2x 8 + 4 + 2x 2), or 56 when critting with both attacks (6x 8 + 4 + 2x 2), but the chance of hitting is higher and that of being hit is lower thanks to the bonus AC, even with Reckless Attack.

Also, when Extra Attack becomes available, one can regularly attack three times in the same turn (2 with the action and 1 with the bonus action), increasing (?) both the average damage done without critting and the chance of critting even more (as far as I understand, the more attack rolls you do, the more you might crit in a turn), possibly allowing not to rely on Reckless Attack to consistently deal damage.

Overall, while Great Weapon Master opens the possibility of dealing an insane amount of damage even at low levels, Dual Wielder appears to be more reliable for both attack and defense. I'm afraid that I may be missing something though, as I'm ignorant in statistics and my understanding of probability is quite poor.

May I ask for your analysis? Is the potential damage output (DPR) with Great Weapon Master too good to be traded off for less damage, but a bit more reliability and defense? Getting the "to hit" chance factored into the expected output may help me see the advantages more clearly.

My Barbarian will follow the path of the Totem Warrior, probably picking bear all the times. After 5 levels of Barbarian to reach Extra Attack, I am considering multiclassing up to 3 levels of Fighter to add the complementing class feature (Great/Two Weapon Fighting) and to exploit Action Surge and the Champion archetype critical bonus, but that might as well be another question.

  • \$\begingroup\$ You are correct in your last paragraph that the second issue may be a separate question. As I understand the build, you will first put 5 levels into Barbarian and then consider MC? If that guess is correct, editing that in won't hurt in case someone wants to estimate the DPR values. I edited in the DPR term since that is what people usually use to compare damage values for a given build. (Damage Per Round) since it includes the "chance to hit". \$\endgroup\$ Aug 8, 2019 at 14:22
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    \$\begingroup\$ related reading: Is dual-wielding superior to great weapons for a raging Barbarian? \$\endgroup\$
    – goodguy5
    Aug 8, 2019 at 14:24
  • \$\begingroup\$ @KorvinStarmast Probably yes. I'll add some details of the build I've thought of so far. \$\endgroup\$
    – StackLloyd
    Aug 8, 2019 at 14:27

1 Answer 1


Bonus Action Limitations of Two Weapon Fighting

Raging is a bonus action. If you want to rage, you'll be unable use two weapon fighting that turn. This can put you at a disadvantage right from the start of combat.

Great Weapon Master Bonus Actions

It's not just a critical attack that allows a great weapon master to attack with their bonus action.

On your turn, when you score a critical hit with a melee weapon or reduce a creature to 0 hit points with one, you can make one melee weapon attack as a bonus action.

This is still conditional, and will depend on the kind of opponents the DM throws at the party, but mobs of foes and minion types often make appearances in many campaigns and will greatly boost the damage of a great weapon master.

Growth from Extra Attack is in favor of great weapons

With a great weapon, the Extra Attack feature makes you go from 1 attack per turn to 2 (barring great weapon master conditional bonus action attacks). With a two weapon fighter, you go from 2 attacks to 3. So while the damage of the great weapon increases by 100%, the two weapon fighter only gets a bit more then a 50% damage boost (unless you have the two weapon fighting style, in which case, it is a 50% increase).

This same issue also means a great weapon barbarian benefits more from the single extra attack granted by the spell Haste. It also pops up if you decide to multiclass into fighter, because action surge doesn't grant you another bonus action.

Problems created from using more than one weapon

There are many spells you could potentially have applied to your weapon by a party member, such as Magic Weapon

2nd Level Transmutation Spell

You touch a nonmagical weapon. Until the spell ends, that weapon becomes a magic weapon with a +1 bonus to attack rolls and damage rolls.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the bonus increases to +2. When you use a spell slot of 6th level or higher, the bonus increases to +3.

However, this spell and many others only work on a single weapon at a time. So while a great weapon user has all their damage become magical (allowing it to bypass resistance to non-magical damage, which is critical against many foes), a two weapon fighter is left with only part of their attacks improved.

Consider your role in the party

Reckless attack isn't just a risky move, but a way to control opponents. Granting your opponents advantage encourages them to attack you, rather than your squishy wizard friend. With rage, and especially bear totem rage, you can take the damage. If your build is too defensive and never uses reckless attack, opponents may ignore you and go after bigger threats rather then one they can barely hit and can't deal full damage to.

Advantage has a huge effect

This is kind of obvious, but maybe it'll help illustrate just how useful reckless attack is for someone with great weapon master.

Chance to roll with advantage or disadvantage


If you look at this chart, you can see you have an 75.1% chance of rolling a 11 or higher on your roll if you have advantage. With 18 strength and a +2 proficiency (what you'd probably have at level 4), that's enough to hit 12 AC target, which is the AC of plenty of big beasts and smaller enemies. You'll still hit 15 AC targets 57.8% of the time (without advantage and without the -5 to hit, you'd normally hit 60% of the time with the same stats).

And against very high AC targets, you can choose to not use the power attack and still be relatively effective.

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    \$\begingroup\$ Those are fairly good points in favor of a great weapon, I'm almost convinced. However, what about the chance to hit? GWM takes away 5 points from the attack roll, that's as much as a score of 20 in Strength. Advantage mitigates this, but still... \$\endgroup\$
    – StackLloyd
    Aug 8, 2019 at 18:05
  • \$\begingroup\$ @StackLloyd I've added a chart that should help. \$\endgroup\$
    – Frozenstep
    Aug 8, 2019 at 19:07
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    \$\begingroup\$ Very interesting, thank you. I guess trading a bit of defense for such an attack power is almost mandatory, to be effectively efficient. \$\endgroup\$
    – StackLloyd
    Aug 8, 2019 at 19:44

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