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Materials Database
Materials are the backbone of progression in Broken Blade. You need them to forge weapons, upgrade gear, reroll your Race/Element/Blessing, and unlock endgame content. This page covers every material currently available — including the new Space Ore and Red Orb from the Reforge the Yamato update — organized by category so you can quickly find what you need and where to farm it.
Required to unlock and craft weapons. Each weapon type (Sword, Katana, Buster) has its own piece set. Pieces 1, 2, and 3 are needed in increasing quantities as you craft higher-tier weapons.
| Material | How to Get | Used For |
|---|---|---|
| Sword Piece 1 | Chests, enemies, and bosses across all islands | Crafting Sword-type weapons |
| Sword Piece 2 | Chests, enemies, and bosses across all islands | Crafting Sword-type weapons |
| Sword Piece 3 | Chests, enemies, and bosses across all islands | Crafting Sword-type weapons |
| Katana Piece 1 | Chests, enemies, and bosses across all islands | Crafting Katana-type weapons |
| Katana Piece 2 | Chests, enemies, and bosses across all islands | Crafting Katana-type weapons |
| Katana Piece 3 | Chests, enemies, and bosses across all islands | Crafting Katana-type weapons |
| Buster Piece 1 | Chests, enemies, and bosses across all islands | Crafting Buster-type weapons |
| Buster Piece 2 | Chests, enemies, and bosses across all islands | Crafting Buster-type weapons |
| Buster Piece 3 | Chests, enemies, and bosses across all islands | Crafting Buster-type weapons |
Rare materials dropped by specific bosses. Required to forge the strongest endgame weapons like Excalibur, Moon Cut, Dragon Slayer, and the new Yamato.
| Material | How to Get | Used For |
|---|---|---|
| Sacrifice Piece | Event bosses on Eclipse Island | Crafting Dragon Slayer (Buster) |
| Moon Piece | Bosses on Nidavellir Island | Crafting Moon Cut (Katana) |
| Holy Grail | Sky Spire challenge on Jotunheim Island | Crafting Excalibur (Sword) |
| Space Ore | Space Invaders on Midgard Island (Dungeon Island) — new in Reforge the Yamato update | Space series crafting, including Yamato forging |
| Red Orb | Space Invaders on Midgard Island. Exchange at Space Shop | Yamato forging (1,000 required) and Space Shop items |
Crafting materials that add elemental stats to weapons during the forging process. Higher-tier elements grant better stat boosts. Mix and match to customize your weapon's stat profile.
| Material | How to Get | Used For | Stats |
|---|---|---|---|
| Holy | Sky Spire challenge, chests, bosses | Weapon forging | +45% DMG, +40% Crit DMG, +7% Crit Rate, +11% Atk Spd, +0.1 Energy/sec |
| Thunder | Chests, enemies, bosses | Weapon forging | +40% DMG, +30% Crit DMG, +6% Crit Rate |
| Storm | Chests, enemies, bosses | Weapon forging | +40% DMG, +10% Atk Spd, +10% Buster DMG |
| Beherit | Chests, enemies, bosses | Weapon forging | +40% DMG, +20% Crit DMG, +7% Atk Spd, +4% Crit Rate |
| Flame | Chests, enemies, bosses | Weapon forging | +40% DMG, +2% DMG, +10% Sword DMG |
| Frost | Chests, enemies, bosses | Weapon forging | +40% DMG, +0.1 Energy/sec, +10% Katana DMG |
| Blood | Chests, enemies, bosses | Weapon forging | +25% DMG, +3% Lifesteal, +4% Crit Rate |
| Mithril | Chests, enemies, bosses | Weapon forging | +25% DMG, +8% Atk Spd, +4% Crit Rate |
| Diamond | Chests, enemies, bosses | Weapon forging | +25% DMG, +20% Crit DMG, +4% Crit Rate |
| Emerald | Chests, enemies, bosses | Weapon forging | +20% DMG, +20% HP |
| Gold | Chests, enemies, bosses | Weapon forging | +20% DMG, +2% Crit Rate |
| Obsidian | Chests, enemies, bosses | Weapon forging | +20% DMG, +3% Crit Rate |
| Bronze | Chests, enemies, bosses | Weapon forging | +10% DMG, +2% Crit Rate |
| Steel | Chests, enemies, bosses | Weapon forging | +10% DMG, +15% Crit DMG |
| Stone | Chests, enemies, bosses | Weapon forging | +5% DMG Reduction |
| Bone | Chests, enemies, bosses | Weapon forging | +5% DMG |
Items used for rerolling your character's passive stats, accessing boss fights, and purchasing gear from shops. These don't boost damage directly but are essential for progression.
| Material | How to Get | Used For |
|---|---|---|
| Fire Seed | Chests, enemies, bosses across all islands | Unlocking weapons and altars; required in large quantities for high-tier weapons |
| Race Reroll | Chests, enemies, bosses | Reroll your Race at level 500+ |
| Element Reroll | Chests, enemies, bosses | Reroll your Element |
| Blessing Reroll | Chests, enemies, bosses | Reroll your Blessing at level 1000+ |
| Sky Key | Chests, enemies, bosses | Access the Sky Spire challenge on Jotunheim |
| Boss Key | Chests, bosses | Summon bosses on Nidavellir Island |
| Boss Coin | Defeating bosses | Purchase accessories and materials at Greedy Shop on Nidavellir |
| Crimson Beherit | Chests, bosses | Summon event bosses on Eclipse Island |
Introduced in the Reforge the Yamato update (June 2026). Space materials are obtained from the new Space Invaders enemy on Midgard Island. These are used for the Yamato katana and future Space-series crafting.
| Material | How to Get | Used For |
|---|---|---|
| Space Ore | Defeat Space Invaders on Midgard Island (Dungeon Island) | Space series crafting; required for Yamato forging and future Space recipes |
| Red Orb | Defeat Space Invaders on Midgard Island; exchange at Space Shop | Yamato forging (1,000 needed); purchase items from Space Shop |
Materials are used for three main things: forging weapons (weapon pieces + boss materials), adding elemental stats during forge (Forge Elements), and rerolling your Race, Element, or Blessing (Reroll items). A few utility items like Boss Keys and Crimson Beherit unlock boss encounters that drop rare materials.
Weapon pieces drop from chests, regular enemies, and bosses on every island. Sword, Katana, and Buster pieces are separate — you only need the type that matches the weapon line you are building. Higher-tier pieces (Piece 3) are rarer and drop more reliably from bosses.
Fire Seeds drop from most enemies and chests. For bulk farming, run loops on Muspelheim or Helheim where enemy density is high. Bosses also drop Fire Seeds in larger quantities. You will need thousands for endgame weapons.
Forge Elements (Holy, Thunder, Storm, etc.) are materials consumed during weapon forging to add combat stats to your weapon. Character Elements (Fire, Thunder, Wind, Life, Earth, Water) are passive buffs rolled with Element Reroll items at level 500. They are completely separate systems.
Both drop from the new Space Invaders enemy on Midgard Island (Dungeon Island). This was added in the Reforge the Yamato update (June 2026). Space Ore is a crafting material; Red Orb is a currency you can spend at the Space Shop or use to forge Yamato.
Holy Grail and Sacrifice Piece are among the rarest — Holy Grail requires completing the Sky Spire challenge, and Sacrifice Piece only drops from Eclipse Island event bosses. Holy (the forge element) is also rare and highly valued for its stat boost.