Quick answer: the fastest way to get the Dragon Slayer in Broken Blade is to farm Crimson Beherits from high-level bosses, use them to summon the Black Swordsman on Eclipse Island, and grind that fight until you bank 100 Sacrifice Pieces — the one material that gates the whole recipe.
The Dragon Slayer is the hardest weapon to craft in the game, and there's no shortcut around the Sacrifice Pieces. Everything else in the recipe builds up through normal play, but those 100 pieces drop from a single summonable boss, and the boss itself costs a rare item to spawn. This guide breaks the grind into a clear order so you're never farming the wrong thing. For where it lands against every other blade, see our Broken Blade best weapons list.
This is the core loop, and it's where most of your time goes. The Dragon Slayer recipe needs 100 Sacrifice Pieces, and that item only drops from the Black Swordsman, a special summonable boss on Eclipse Island. You can't buy your way past it, so the whole grind is built around running this fight on repeat.
To summon the Black Swordsman you need a Crimson Beherit. One Beherit spawns one Easy-mode fight, so before you can farm Sacrifice Pieces at all, you need a steady supply of Beherits from high-level boss farming. Most players treat Beherit farming and Black Swordsman runs as two halves of the same routine.
The Sacrifice Pieces are the wall, but they aren't the only cost. The full recipe also wants billions in Money, tens of millions in Gems, three tiers of Buster Pieces, and a big stack of Fire Seed. The good news is all of these accumulate through the same boss farming you're already doing for Beherits, so you rarely have to farm them on purpose.
Money and Gems pile up from boss kills, quest turn-ins, and codes, and the Buster Pieces drop across the mid-to-late islands as you clear content. Fire Seed is the one to keep an eye on — the recipe asks for 15,000, so check your count early and top it up while you grind rather than scrambling at the end.
The point of running these in parallel is that by the time you finally land your 100th Sacrifice Piece, everything else is already sitting in your inventory. Nothing's more frustrating than hitting the Sacrifice Piece goal and realizing you're 5,000 Fire Seed short. For a wider breakdown of the early islands and how materials flow, our Broken Blade beginner guide covers the progression.
If you'd rather not solo the entire Black Swordsman grind, trading is the only realistic shortcut. Some players sell or trade Sacrifice Pieces and Crimson Beherits, so if you've banked spare materials, Money, or duplicate drops, you can sometimes buy your way closer to the 100 goal.
Be careful with trades. Both items are rare and valuable, so scams and lopsided offers are common — only trade with players you trust and confirm the item and count before you hand anything over. Trading speeds up the grind, but it never fully replaces it, since most traders earned their pieces the hard way and price them accordingly.
Before you start chasing the Dragon Slayer, make sure you're actually set up to farm it. This is an endgame craft, and trying it too early just wastes Beherits on a fight you can't clear consistently.
Here's everything the Dragon Slayer recipe asks for as of June 2026. The Sacrifice Pieces are the bottleneck, but it's worth knowing the full list so nothing surprises you at the forge.
| Material | Amount | Where it comes from |
|---|---|---|
| Sacrifice Piece | 100 | Black Swordsman boss (summoned with Crimson Beherit) |
| Fire Seed | 15,000 | Boss farming and late-island drops |
| Buster Piece I | 1,000 | Mid-to-late island mobs and bosses |
| Buster Piece II | 500 | Late-island bosses |
| Buster Piece III | 250 | Endgame bosses |
| Gems | 30,000,000 | Boss kills, quests, codes |
| Money | 3,000,000,000 | General play and boss kills |
Need free Gems toward that 30,000,000 total? Our Broken Blade codes page stays current, and the Broken Blade hub links every guide we've written for the game.
The Dragon Slayer is a long haul, but a few habits cut the time down. The biggest one is keeping your Crimson Beherit stockpile ahead of your Black Swordsman runs, so you never sit idle between summons.
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You craft it at the Eclipse Island Boss Arena once you have every material, and the gate is 100 Sacrifice Pieces. Those only drop from the Black Swordsman boss, which you summon with Crimson Beherits. The real path is: farm bosses for Crimson Beherits, summon the Black Swordsman on repeat, and bank Sacrifice Pieces until you hit 100.
You need 100 Sacrifice Pieces. They only drop from the Black Swordsman on Eclipse Island, and the drop is rare on every difficulty, so expect dozens of runs. Higher difficulties drop them more often, but Easy clears fastest if your build can farm safely.
Crimson Beherit is a rare drop from high-level bosses. The community-favorite farm is Velik, which many players grind semi-AFK to stockpile Beherits. You need one Crimson Beherit per Black Swordsman summon, so a steady Beherit supply keeps the whole grind moving.
It's 3,000,000,000 Money, 30,000,000 Gems, 1,000 Buster Piece I, 500 Buster Piece II, 250 Buster Piece III, 15,000 Fire Seed, and 100 Sacrifice Pieces. The Money, Gems, and Buster Pieces build up through normal play, but the 100 Sacrifice Pieces are the real wall.
Yes. It's a four-star endgame weapon with the highest sustained DPS in the game, and it stays useful through every late boss farm. It's also the hardest weapon to craft, so it doubles as a flex. If you only build one endgame blade, make it this one.
For most players it's a multi-day grind. The 100 Sacrifice Pieces are the bottleneck because both Crimson Beherits and Sacrifice Pieces are rare drops, so you're farming two rare items in sequence. A consistent Velik farm for Beherits plus efficient Black Swordsman runs is the fastest realistic route.