The Pact of the Blade Warlock is proficient with their pact weapon while they wield it. Suppose that a Blade Pact warlock is wielding a longsword as their pact weapon (either because they created a longsword, or because their bound pact weapon happened to be a longsword). They decide that they would like to deal bludgeoning damage this turn, so rather than switching to a different weapon they hold the sword by the blade and strike using the crossguard or pommel.

Do they add their proficiency bonus to their attack roll, even if they are not otherwise proficient with improvised weapons?


3 Answers 3


Proficiency with a weapon does not grant proficiency in improvised attacks using that weapon

This fact is covered in the following:

To quote the highest-scoring answer:

With this information, you effectively have two choices:

  1. Have your DM treat the original weapon as a second, different weapon that has the Thrown feature. Example: treating a Halfling's War Hammer (no Thrown) as a Goliath's Light Hammer (with Thrown).

  2. Make your attack as using an Improvised Weapon, dealing 1d4 damage and using the default thrown option of 20/60 range, and only adding proficiency if provided by another feature (as from Kensei or Tavern Brawler).

Assuming the Warlock does not have a feature such as the Tavern Brawler feat granting them proficiency with improvised attacks, using their Pact weapon in order to make an improvised attack would result in their attack not using their proficiency bonus unless the GM ruled that the improvised form of their weapon is close enough to some weapon that they do have proficiency in that it the attack can effectively be considered to be using that weapon.

In this case, a GM could rule that using a Longsword to deal bludgeoning damage is perhaps similar enough to a Club or some other simple weapon that Warlock's already have proficiency with. If the GM did decide this, then the Warlock would add their proficiency bonus to the attack roll; however, if the GM does not consider the Longsword being similar enough to another weapon, then the Warlock does not add their proficiency bonus to the attack roll.

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    \$\begingroup\$ Your argument is based around the idea that the Warlock is proficient in a specific type of weaponry. They're not. They could have spent all their weapon proficiencies on chopsticks, Mr. Miyagi-style, and they'd still be proficient with their pact weapon, whatever it is. They're not granted proficiency with a class of weapon, they're just proficient with the pact weapon, whatever form it takes, however it's used. \$\endgroup\$ Apr 16, 2021 at 0:47
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    \$\begingroup\$ @ShadowRanger That proficiency is worded no differently from normal weapon proficiencies, so it should not behave differently. That said, your answer stands on its own now \$\endgroup\$ Apr 16, 2021 at 0:55
  • \$\begingroup\$ True(ish; the wording is not identical, and the fact that the proficiency comes from the pact, not the form of the weapon, makes a difference). Although now that I'm thinking about it more, I think a RAW answer is impossible here; weapons as improvised weapons rules only cover the special case of throwing a non-thrown melee weapon, bashing with a ranged weapon, or attacking with something with the ammunition property. There is no RAW approach to dealing bludgeoning damage with a sword. \$\endgroup\$ Apr 16, 2021 at 1:06
  • \$\begingroup\$ @ShadowRanger The far more upvoted answer there says exactly the opposite \$\endgroup\$ Apr 16, 2021 at 1:18
  • \$\begingroup\$ I'm inclined to agree with ShadowRanger that proficiency with one specific item is not entirely identical to proficiency with the use of a class of items in the normal mode of operation, but without more clear evidence I accept that the least creative interpretation is to treat it the same as ordinary weapon proficiency. \$\endgroup\$
    – sptrashcan
    Apr 19, 2021 at 5:38

I'd go with the following: Because what you describe is basically Mordhau. It was a real thing in medieval sword combat... but it was an improvised use of the weapon. But rather spending a feat just to do a Mordhau, I'd rather suggest to spend a downtime and a few gp to simply train that attack with a teacher for improvised weapons.

For more information about Mordhau... here's its disappointingly short wikipedia article:

In the German school of swordsmanship, Mordhau, alternatively Mordstreich or Mordschlag (Ger., lit., "murder-stroke" or "murder-strike" or "murder-blow"), is a half-sword technique of holding the sword inverted, with both hands gripping the blade, and hitting the opponent with the pommel or crossguard. This technique allows the swordsman to essentially use the sword as a mace or hammer. The Mordhau is mainly used in armoured combat, although it can be used to surprise an opponent in close quarters.

and here's a video https://www.youtube.com/watch?v=2e0xr-aZJos

RAW it's totally fine to use a weapon as improvised.

Improvised Weapons

Sometimes characters don't have their weapons and have to attack with whatever is close at hand. An improvised weapon includes any object you can wield in one or two hands, such as broken glass, a table leg, a frying pan, a wagon wheel, or a dead goblin.

In many cases, an improvised weapon is similar to an actual weapon and can be treated as such. For example, a table leg is akin to a club. At the DM's option, a character proficient with a weapon can use a similar object as if it were that weapon and use his or her proficiency bonus.

An object that bears no resemblance to a weapon deals 1d4 damage (the DM assigns a damage type appropriate to the object). If a character uses a ranged weapon to make a melee attack, or throws a melee weapon that does not have the thrown property, it also deals 1d4 damage. An improvised thrown weapon has a normal range of 20 feet and a long range of 60 feet.

So, a longsword wielded with Mordhau could resemble a Warhammer or a Greatclub. So if you're proficient with Warhammers or Greatclubs and Longswords you theoretically could use your Longsword with Mordhau.

Because an improvised weapon can be

any object you can wield in one or two hands



In many cases, an improvised weapon is similar to an actual weapon and can be treated as such


So it's pretty much up to your DM whether he or she thinks a Mordhau Longsword is a Warhammer, a great club or a two handed weapon that deals 1d4 bludgeoning damage. TBH every character that is proficient with simple and martial weapons should be able to perform a Mordhau or a similar strike. I mean it's a very minor tweak and implements a very interesting sword technique.

For the Blade Warlock it's a little bit different anyways, because you are always proficient with your pact weapon. To switch between slashing and bludgeoning for a damage decrease is a pretty okay effect that shouldn't be take too much effort for your character. Sure it's a bit of a stretch of improvised weapons to use actual weapons as improvised weapons... but I really don't see any occasion that it could break the game. Comment me, if I miss smth.


DM's choice


they hold the sword by the blade

Your character should never do this. Blades are meant for cutting, not holding. Holding one in your hands is a bad idea - how bad depends on how mean your DM is.

You can make a pommel strike as part of normal sword fighting, it just isn't a rule included in 5th edition D&D (earlier editions did have weapons with multiple damage types).

As such, what you are asking isn't covered by the rules. I would personally rule that you get your proficiency bonus to attack since pommel strikes are a part of actual swordfighting, but for damage I'd only allow the 1d4 for an improvised weapon since you won't get as much power from the attack.

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    \$\begingroup\$ en.wikipedia.org/wiki/Mordhau_(weaponry) is a sword technique attested in historical fencing manuals, and contemporary practitioners have demonstrated the technique with gloves and even bare hands: youtube.com/watch?v=vwuQPfvSSlo \$\endgroup\$
    – sptrashcan
    Apr 15, 2021 at 23:33
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    \$\begingroup\$ In addition to @sptrashcan excellent comment, also note that many swords had a ricasso, an unsharpened portion. On some swords with a ricasso, it was not uncommon to use the ricasso as a second grip as a way of shortening the grip in tight spaces or for certain techniques. See en.wikipedia.org/wiki/Half-sword \$\endgroup\$ Apr 15, 2021 at 23:47

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