Boom Hammer is a Trick Weapon in Bloodborne. It was added with The Old Hunters expansion. There are 3 versions of this weapon: Normal, Uncanny and Lost. The only known differences being the Gem Imprints and the locations in which they are found.
Boom Hammer Description
"A trick weapon used by the old hunters, and crafted by the workshop heretics, the Powder Kegs.
A giant hammer equipped with a miniature furnace. When ignited and fired, it emits a volley of flame that explodes furiously upon impact.
Crush the beasts, then burn them - the brute simplicity of the Boom Hammer was favored by hunters with an acute distaste for beasts."
Boom Hammer Information
- Transforming the weapon makes the hunter ignite the hammer, giving bonus fire damage to the next attack.
- Requires 16 Blood Stone Shards, 16 Twin Blood Stone Shards, 16 Blood Stone Chunks, 1 Blood Rock and ?? Blood Echoes to fully upgrade
- To perform a Leap Attack, tap forward on the Left Stick as you press R2
- To perform a Transformation Attack, press L1 while performing another attack.
Location
Normal
- The Hunter's Nightmare. Inside a house that looks out of Central Yharnam, the same that is the shortcut to the cleric beast in the main game, where the 10 quicksilver bullets used to be. Be sure to shoot the explosives around the item (or act fast), as the wheelchair huntsman's corpse conceals a delayed molotov set to trigger when you try to grab the Boom Hammer, potential killing you in a huge blast.
Uncanny Boom Hammer
- If you have the normal version: Create Glyph 8i29rqz3 (Pthumeru Labyrinth) and buy from Bath Messengers up a ladder from the main room for 28,000 Blood Echoes.
- Can also be found in the lower hintertomb chalice. Sold by messengers in the 3rd layer of the dungeon.
Lost Boom Hammer
- If you have the normal version: Create Glyph 8i29rqz3 (Pthumeru Labyrinth) and buy from Bath Messengers up a ladder from the main room for 28,000 Blood Echoes.
Player Notes
- Attacking with an ignited hammer consumes roughly double the stamina as non-ignited attacks.
- Ignited hammer also lowers the amount of health recovered on rally attack.
- When ignited, any slam attack (charged R2 and jumping attack) will create an explosion, increasing your AoE.
- The transformation attack has a thrust animation but still deals blunt damage.
- With 50 arcane and weapon at plus 10, it gets +29 phys attack and +64 fire.
Stats/Scaling
Movesets & Videos
| Move | Damage Type & Modifier | Stamina | Effect |
|---|---|---|---|
| R1 Combo | 1.00x, 1.02x, 1.04x | ?? | Swiping attacks, starting from right to left and moving onto left to right in alternation. |
| Backstep R1 | .90x | Thrusts the hammer straight ahead. | |
| Dodge R1 | .90x | ?? ~ ?? | After the roll, performs a sweeping horizontal arc from right to left. |
| Dash R1 | 1.10x | ?? (+run) | Performs an uppercut sweeping starting from the right foot and ending at the left shoulder. |
| R2 Attack | 1.35x | ?? | An upwards diagonal swing, starting from the right foot and ending at the left shoulder |
| Charged R2 | 1.90x | ?? | An overhead ground slam. |
| Backstep R2 | 1.45x | Performs a straighter uppercut that nicks the ground. | |
| Dodge R2 | ?? | ?? | After the roll performs an upwards diagonal swing, starting from the right foot and ending at the left shoulder. Has more of a pronounced windup. |
| Dash R2 | 1.45x | ?? | Performs an overhead downwards smash. |
| Leap | 1.50x | ?? (+run) | Performs a leapong overhead ground slam. |
| Transform Attack | .90x | ?? (+x) |
| Move | Damage Type & Modifier | Stamina | Effect |
|---|---|---|---|
| R1 Combo | 1.00x | ?? | A fiery swing from right to left. |
| Backstep R1 | 1.00x | Thrusts the fiery hammer straight ahead. | |
| Dodge R1 | ?? ~ ?? | ?? ~ ?? | After the roll, performs a fiery sweeping horizontal arc from right to left. |
| Dash R1 | 1.10x | ?? (+run) | Performs a fiery uppercut sweep starting from the right foot and ending at the left shoulder. |
| R2 Attack | 1.30x | ?? | A flaming upwards diagonal swing starting at the right foot and ending at the left shoulder. |
| Charged R2 | 1.80x | ?? | An overhead slam with a small AoE explosion. |
| Backstep R2 | 1.20x | Performs a flaming sweep uppercut. | |
| Dodge R2 | ?? | ?? | After the roll performs an upwards flaming diagonal swing, starting from the right foot and ending at the left shoulder. Has more of a pronounced windup. |
| Dash R2 | 1.45x | ?? (+run) | Performs a flaming overhead downwards smash. |
| Leap | 1.50x | ?? | Performs a leaping flaming overhead downwards slam. |
| Transform Attack | .90x | ?? (+x) |
Trivia
When the Boomhammer is lit, Beast Patient mobs will back away from the player as if they had a torch equipped. (May need to initiate primed attack first)
Showcase
Anonymous29 Mar 2021 22:06
If you look carefully, when you press L1 to transform the weapon as a follow up to R1 or R2, the hunter ignites it by rubbing the top part against the ground. This is where the hunter also ignites the boom hammer during the regular standing/walking animation. I assume there is flint or some combustible material on the top part of the furnace.
- Anonymous
- Anonymous
- Anonymous
09 Feb 2021 21:34
According to the comments below, I'm THE ONLY one who discarded this weapon. I'm looking forward to giving it a try, then...
- Anonymous
01 Feb 2021 01:52
Man, this thing owned Ludwig almost as completely as the Whirligig Saw and that's really saying something. I guess I was hitting multiple hitboxes with the vertical basic swings, because after the first fifth of his health he was, in practice, stun-locked for the rest of the fight.
- Anonymous
16 Nov 2020 21:44
Big Boom Hammer.
What else could you possibly ask for? It explodes stuff.
Fun weapon.
8/10.
- Anonymous
05 Nov 2020 18:05
An important thing to know about this weapon is that the charged R2, when buffed with the L1, has some seriously obnoxious phantom range in a radius around the place of bonk, being about 50% further outside of its visual effect (tho I feel it may be way more than that). This, paired with its innately long reach, means you can simply out-space enemies like no other weapon in the game
- Anonymous
22 Sep 2020 04:06
I used to think of this as a second-tier weapon, but just now playing with a perfect build for this and holy ******* this thing is an absolute beast. Crush them and burn them indeed.
- Anonymous
- Anonymous
14 May 2020 21:02
I went to the 8i29rqz3 dungeon and the messengers didn’t have any weapons, let alone the boom hammer
- Anonymous
- Anonymous
29 Dec 2019 07:00
"Yeah so there's giant wolf people tearing everyone to shreds, ancient eldrich horrors that the Church decided to summon because they were high, and the risk of being randomly pulled into a nightmare realm to be tormented forever, anyway here's an exploding hammer and some edgy clothes, good luck buddy" -Powder Kegs, probably
- Anonymous
- Anonymous
- Anonymous
28 Aug 2019 22:03
Hey since this has an innate fire element does that mean you can't change its elements with blood gems?
- Anonymous
01 Jul 2019 04:24
I always get an extremely satisfied feeling when sending those annoying crackhead madmen flying with this beast . especially in later dungeons when they start appearing waaaaaay too damn often
- Anonymous
27 Jun 2019 03:42
Boomhauer: "Man I dang yo' thang, mang, click the tip 'n hammer dang dem, charge 'em, dem 'BOOOOOOOM HAMMEEEEEEER!' tell you hwat, man."
- Anonymous
24 Jun 2019 12:36
An explosive weapon placed as bait to an explosive trap. 3 years before I realized that
- Anonymous
- Anonymous
- Anonymous
- Anonymous
03 Apr 2019 12:56
How come it doesn't tell u anything about the stats to use for this weapon or am I just not getting it lol
- Anonymous
- Anonymous
27 Feb 2019 12:42
I created a build named "Holy build" with Strength (50) and Arcane (30), Skill (13), Vitality (50) and Endurance (30) and level character at 130. Theoretically, Holy Moonlight sword is the best weapon for this (and that's true), but I found Boom Hammer very fun in this build. And I mean for PvP, really I has been surprised by BH, I didn't think it was so efficient against players, especially if you use Old Hunter Bone in combination with it. It doesn't have a manifold moveset, but this is its power: easy to master it, good range and very strong! My normal version (two radial slots and one waning) now possesses 808 AR, with a radial cursed gems that boost Phy. att. +27,2% (negative effect: stamina cost increased by 3,3%), the other radial +25,3% Phy. Att. (negative effect: attack down vs Kin -9,5%) and the waning is great: +22,3% in Phy. Att., adding +13,5 flat bolt damage (negative effect: attack down vs Kin -10% circa). If you want to reach level 150, you can enhance Skill from 13 to 25 (doing so you'll create a super-quality build), and dividing remaining 8 points between Arcane and Endurance. Talking to runes I use: Great Lake, Clockwise metamorphosis and Anti-clockwise metamorphosis (all these tier 3).
03 Apr 2021 18:17
Got exploded by the exploding dead wheelchair man :)
6
+10
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