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S+ TierGlobal Damage Boost

Primordial Rune

+112% DMG max (Lv.60) — the highest damage bonus rune in Sailor Piece and the best in the S+ tier. Primordial Rune is a Secret rune added in the Massive Update (March 25, 2026), dropped exclusively from Infinite Tower floors at less than 1% chance (Level 8,500+ required). Surpasses Havoc Rune as the top DPS rune. Pity reduced from 10,000 to 7,500 floors in the Huge Update (May 10, 2026). Source: Beebom runes guide (2026-03-26) + Alx #update-logs 2026-05-10 (gold standard).

Updated May 12

Bonus & Scaling

PropertyValue
Bonus TypeGlobal Damage Boost
Scaling+84% DMG (base Lv.1) → +112% DMG (max Lv.60). Source: Beebom runes guide (2026-03-26).
LocationInfinite Tower (Tower Island) — less than 1% drop rate from Tower floors. Level 8,500+ required. Pity: 7,500 floors (reduced from 10,000 in Huge Update May 10, 2026).
Cost (Fragments)Free (drop)

+84% DMG (base Lv.1) → +112% DMG (max Lv.60). Source: Beebom runes guide (2026-03-26).

How to Get Primordial Rune

Infinite Tower (Tower Island) — less than 1% drop rate from Tower floors. Level 8,500+ required. Pity: 7,500 floors (reduced from 10,000 in Huge Update May 10, 2026).

Rune Dungeon

Access the Rune Dungeon using a Dungeon Key. Clear all 15 waves for a chance at rune drops.

Drop Rate

Rare drop from the Rune Dungeon. Higher-tier runes have lower drop rates.

Rune Leveling

Max Level

Lv50

Duplicates Needed

502

Equip Limit

1 Rune

Runes are leveled by feeding duplicate copies. Each level increases the rune's bonus. Only one rune can be equipped at a time, so choose wisely.

Usage Tips

  • Damage runes are the most versatile choice, boosting all damage output universally.
  • Pairs well with high-DPS fruits and swords for maximum burst damage.
  • Only one rune can be equipped at a time. Prioritize leveling your primary rune to Lv50 before investing in others.
newsecretmassive-updateinfinite-towerraredamagetop-tier

Used in Builds

Primordial Rune synergizes with 4 builds.

Warlord + Strongest Shinobi (Current Best Combat Build)SwordBlessed + Gilgamesh PvP BuildGalevorn + Anos Pure Melee EndgameLeviathan / Servant Boss Tank Build

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At a Glance

Quick Overview

Primordial Rune

S+ Tier
✨

Bonus

Global Damage Boost

📍

Location

Infinite Tower (Towe

+112% DMG max (Lv.60) — the highest damage bonus rune in Sailor Piece and the be...

Tier Position

Ranked #2 of 11 in Runes

S+
▶
2
S
3
A
1
B
3
C
1
D
1

Primordial Rune is in S+ Tier

Patch History

  1. Huge UpdateLatest
    • [May 10 PITY] Primordial Rune pity reduced: 10,000 floors → 7,500 floors (Infinite Tower). Source: Alx #update-logs 2026-05-10 (gold standard).
  2. Anti-Magic Update
    • [April 26 PITY] Infinite Tower deeper-floor pity — 7,500 floors guarantees a Brilliant rune, 10,000 floors guarantees a Primordial rune. Source: Beebom patch notes.
  3. Massive Update
    • Fixed players not being able to obtain Primordial Rune from Infinite Tower (criss, Hotfix 19:22, March 25).
View All Patch Notes →

Synergy Recommendations

Best Pairings & Synergies

Sea 2 power route

Primordial Rune is a high-value damage target

Primordial Rune searches need a clear answer on where it fits: it is a damage-focused endgame rune that matters most after your Sea 2 route and boss farming build are stable.

  • Prioritize build stability before chasing low-probability rune drops.
  • Use luck buffs and farming routes when available; do not treat it as a quick early-game upgrade.
  • Compare with Relics and Bloodlines because Sea 2 power comes from several stacked systems.
Sea 2 complete guideUnlock route, systems, islands, bosses, swords, specsInfinite Tower guideRune and token farming routeRelics wikiSea 2 stat bonus layerEndgame buildsUse before deep farming

Related Content

All Runes Database

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View Primordial Rune on Runes Tier List

See where Primordial Rune ranks among all runes.

Best Builds with Primordial Rune

Find builds that synergize with Primordial Rune.

Active Codes

Redeem codes for free Gems and rewards.

Build Optimizer

Find the optimal stat allocation for your build.

Accessories Wiki

Pair your rune with the best accessory for maximum stats.

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Primordial Rune — Info

Tier
S+
Bonus Type
Global Damage Boost
Scaling
+84% DMG (base Lv.1) → +112% DMG (max Lv.60). Source: Beebom runes guide (2026-03-26).
Location
Infinite Tower (Tower Island)
Cost
Free (drop)
Max Level
Lv50
Last Updated
2026-05-12
View Runes Tier ListAll Runes Database

Similar Runes

S+Havoc Rune