Elden Ring is filled with a vast array of weapons, many of which are tied to challenging bosses tucked away in optional dungeons. These weapons often come with unique skills or powerful scaling that can significantly enhance your build. If you’re hunting for new gear, exploring these hidden corners of the game is well worth the effort.
Here’s a rundown of 10 Elden Ring weapons you can unlock by taking down optional dungeon bosses, along with some tips on how to find them and why they’re worth your time.
1. Dragon Slayer’s Greatsword
Found in the Dragonbarrow Legacy Dungeon, this colossal sword is perfect for strength builds and comes with a powerful weapon skill that unleashes a shockwave, making it excellent for crowd control.
2. Moonveil
Defeated in the Gael Tunnel, the boss here drops the Moonveil katana, a favorite among dexterity and intelligence hybrids. Its magic-infused weapon skill allows for devastating ranged attacks.
3. Blasphemous Blade
The optional boss in the Mountaintops of the Giants rewards this weapon, known for its health regeneration effect on enemy kills. It’s ideal for faith builds that like a bit of sustain during prolonged fights.
4. Dark Moon Greatsword
Dropped by a secret optional boss in the Siofra River, this weapon scales with intelligence and faith, making it a versatile choice for hybrid casters.
5. Nagakiba
An alternative katana found by defeating the optional boss in the Abandoned Cave. Its long reach and weapon art make it a strong contender for dexterity-focused players.
6. Great Club
While a classic, it’s often overlooked. Defeating an optional boss in the Cave of Knowledge can earn you this weapon, perfect for raw strength builds and staggering foes.
7. Ruins Greatsword
Hidden behind an optional dungeon boss in the Ruins area, this sword offers heavy damage and an exciting weapon skill that summons icy shards to strike enemies at range.
8. Rivers of Blood
One of the most popular bleed weapons, it’s dropped by an optional boss in the Abandoned Cave. Its unique weapon art lets you unleash rapid slashes that stack bleed quickly.
9. Sacred Relic Sword
Rewarded for defeating the optional boss in the Cathedral of Manus Celes, this sword is excellent for faith users who want to combine melee with powerful incantations.
10. Reduvia
Dropped by an optional boss near the starting areas, this dagger is a favorite for its bleed buildup and fast attacks, making it ideal for quick, aggressive playstyles.
Why Seek Out Optional Dungeon Weapons?
Optional dungeon weapons often bring something unique to your arsenal—whether that’s special weapon arts, enhanced scaling, or status effects. While grinding cheap Elden Ring runes is important to improve your gear, these weapons provide raw performance boosts that can change how you approach combat.
They also give you a reason to explore every nook and cranny of the Lands Between, rewarding curiosity and challenge with powerful tools. For players who want to fully optimize their builds, combining these weapons with the right upgrades and talismans is crucial.
Upgrading and Supporting Your Weapons
Once you have these weapons, it’s a good idea to look for opportunities to buy Elden Ring Items that complement their strengths—whether that means infusions, buffs, or stat-boosting equipment. Efficient resource management and smart spending on upgrades ensure you get the most out of your finds.

Taking on optional dungeon bosses might seem daunting, but the payoff is a range of exclusive weapons that can redefine your gameplay experience. Each of the 10 weapons mentioned offers something special, so whether you prefer raw strength, dexterity, faith, or magic builds, there’s an option here that fits your playstyle.
So gear up, prepare your strategy, and dive into these optional dungeons. With patience and skill, you’ll unlock powerful Elden Ring weapons that many players miss—and set yourself up for success throughout the rest of the game.