How to Get Primordial Rune Fast in Sailor Piece Guide & Drop Location

Getting stronger gear and runes is one of the main goals when progressing in Sailor Piece. Some runes give small bonuses, but others can significantly improve your build and damage output. One of the most valuable runes players are currently farming is the Primordial Rune, a rare drop designed for players who want to push their DPS much higher.

Because this rune is extremely rare, many players spend hours grinding without knowing the most effective method. Understanding where it drops and how the farming process works can save a lot of time and help you focus on the right activity instead of wasting effort elsewhere. Also check out our Sailor Piece Codes for more rewards!

Why Primordial Rune Is Important

The Primordial Rune is considered one of the best runes in the game right now because it focuses heavily on boosting your damage output. For players who want faster boss fights, quicker dungeon clears, and smoother progression, this rune becomes a very valuable upgrade.

With the right build, the rune can help increase your DPS significantly, making it easier to defeat stronger enemies and progress through difficult content. Because of this, many high-level players prioritize farming it once they reach the stage where maximizing damage becomes important.

Primordial Rune Drop Location

The only place where the Primordial Rune can drop is inside the Infinite Tower, which is located on Tower Island. This means there are no alternate farming methods or shortcuts. If you want the rune, you must repeatedly run this tower mode.

Inside the Infinite Tower, players climb through multiple floors while fighting increasingly difficult enemies. The deeper you go, the harder the fights become, but your farming value also increases. During these runs, there is a very small chance for the Primordial Rune to drop. The drop rate is below 1%, which makes it one of the rarest runes currently available in the game.

How to Enter Infinite Tower

Before you can start farming, you first need a Tower Key. This key is required every time you want to enter the tower.

You can obtain Tower Keys by defeating stronger NPC enemies around the map.

Two locations are considered the best farming spots:

1. Lawless Island

Lawless Island has many strong enemies that drop tower keys more frequently compared to early-game areas. Farming here consistently can give you a steady supply of keys.

2. Ninja Island

Another good location is Ninja Island, where higher-level enemies also provide decent chances to obtain Tower Keys.

By farming these two areas repeatedly, you can collect enough keys to run the Infinite Tower multiple times.

The Primordial Rune is one of the most rewarding items you can grind for in Sailor Piece, especially for players focused on maximizing damage. While the farming process takes time due to the extremely low drop rate, consistently running the Infinite Tower and collecting plenty of Tower Keys will eventually pay off.

If your goal is stronger builds, faster boss fights, and higher DPS, this rune is definitely worth the effort. The key is to keep running the tower, improve your clearing speed, and stay patient until the drop finally appears.