How to Get Runes in Broken Blade Guide (Best Runes to Use)

Runes are one of the most useful progression systems in Broken Blade. These special items can provide powerful passive effects during combat, helping players deal more damage and clear bosses faster. Unlike regular skills that require manual activation, runes trigger automatically during battles, making them a valuable addition to any build. If you’re wondering how to unlock runes, farm Boss Coins, and which runes are worth using, this guide covers everything you need to know.

What Are Runes in Broken Blade?

Runes are passive combat enhancements that activate special effects during boss fights. Once equipped, they can automatically trigger abilities that support your character without requiring additional input.

Because runes work in the background, they can significantly increase your overall damage output and make difficult encounters much easier to complete. As you progress through the game, collecting stronger runes becomes an important part of improving your character.

How to Get Runes

The main way to obtain runes is through the Greedy Shop. To find the shop, head to the Portal area and enter the Colosseum. Inside the arena, you’ll find the Greedy Shop NPC that sells a variety of runes and upgrade materials.

However, runes are not purchased with normal currency. Instead, you’ll need a special currency called Boss Coins. The shop offers several rune options, along with armor crafting materials that can help increase your character’s power.

How to Get Boss Coins Fast

Boss Coins are earned by defeating summoned bosses. To summon bosses, you’ll need Boss Keys. These keys can be obtained from boss drops or through trading with other players. Once you have enough keys, use them to summon bosses and defeat them repeatedly to farm Boss Coins. A popular farming method is:

1. Summon a boss using Boss Keys.
2. Choose Hard Difficulty (Level 5) if your character is strong enough.
3. Enable Auto Battle.
4. Defeat the boss repeatedly.
5. Collect Boss Coins and purchase runes from the Greedy Shop.

This method is currently one of the fastest ways to stockpile Boss Coins.

Best Rune #1: Shadow Clone Rune

The Shadow Clone Rune is considered one of the strongest runes available from the Greedy Shop. When activated, it summons two shadow clones that assist you during boss battles. These clones provide extra damage and can help speed up fights significantly.

Since it can be purchased directly with Boss Coins, many players target this rune early on. If you’re looking for a reliable rune that works in almost every situation, Shadow Clone is an excellent choice.

Best Rune #2: Critical Rune

Many players consider the Critical Rune to be the best rune currently available in Broken Blade. Unlike Shadow Clone, this rune cannot simply be bought from the Greedy Shop. Instead, it is obtained as a rare drop from high-level dungeon content.

To farm it, travel to Sky Spire and challenge the dungeon floors around Layer 80 and above. The Critical Rune can drop from bosses in the Layer 81-90 range, although obtaining it may require multiple runs due to its rarity. Because of its powerful damage bonus, the Critical Rune is highly sought after by endgame players.

Should You Use Other Runes?

While there are several other runes available in the game, most players focus on Shadow Clone and Critical because they provide the best overall performance. The remaining runes can still be useful depending on your playstyle, but they generally offer less impact compared to these two top-tier options. If your goal is to maximize damage and boss-farming efficiency, prioritizing Shadow Clone and Critical is usually the best investment.

Runes can greatly improve your performance in Broken Blade, especially when tackling difficult bosses and dungeon content. The easiest way to start building your rune collection is by farming Boss Coins and purchasing runes from the Greedy Shop in the Colosseum.

For newer players, the Shadow Clone Rune is an excellent first target thanks to its consistent damage boost. Later on, you can work toward obtaining the Critical Rune from the Sky Spire dungeon, which is widely regarded as one of the strongest runes in the game. With enough Boss Coin farming and dungeon grinding, you’ll be able to unlock the best runes and make your character much stronger for future content.