How do I get Rusty Chain in Mongil: Star Dive?

Clear 5 dungeon stages to obtain it. Available from 2 in-game vendors. Earned from 14 limited-time event rewards. Awarded by 9 progression track entries (Season Pass / login).

What is Rusty Chain used for?

Rusty Chain is consumed by 1 recipe. Combine it at the matching crafting bench to produce stronger consumables and growth materials.

Can Rusty Chain be crafted?

Rusty Chain cannot be crafted. It can only be obtained from drops, quests or the listed sources.

What rarity is Rusty Chain?

Rusty Chain is a tier 2 material cube grade item.

Is Rusty Chain worth farming?

Yes — Rusty Chain unlocks 1 downstream recipe. Stockpile it whenever you're farming the listed sources for fewer trips later.

Mongil Codex · mongil.items.category.MATERIAL_CUBE_GRADE

Rusty Chain

Tier 2 item

Uncommon
mongil.items.category.MATERIAL_CUBE_GRADE
mongil.items.itemType.MATERIAL_CUBE_GRADE

Lesser upgrade material for artifacts.

A rusted chain, long abandoned, in a corner of an underground prison in Solismenamus. It's partially broken, heavily corroded, and rough to the touch.

"What could have been held by these chains?" - A historian of Solismenamus

Last updated May 2026 · Verified for the latest Mongil: Star Dive build

Last reviewed by Trakan — May 13, 2026

Obtained From

31 sources across 6 categories.

Dungeon clear

Path of Artifacts Difficulty 1Breakthrough · Lv. 17
Path of Artifacts Difficulty 2Breakthrough · Lv. 30
Path of Artifacts Difficulty 3Breakthrough · Lv. 40
Path of Artifacts Difficulty 4Breakthrough · Lv. 50
Path of Artifacts Difficulty 5Breakthrough · Lv. 60

Treasure chest

Available in some chests

Shop

Key
Premium Salmon Puree

Season Pass

Season Pass · Step 35×30
Season Pass · Step 55×30
Season Pass · Step 8×30
Season Pass · Step 24×30
Season Pass · Step 39×30
Season Pass · Step 7×40
Season Pass · Step 23×40
Season Pass · Step 36×40
Season Pass · Step 49×40

Event mission

Event mission×25
Event mission×25
Event mission×25
Event mission×25
Event mission×25
Event mission×25

Score reward

Score reward50% · ×100
Score reward50% · ×100
Score reward50% · ×100
Score reward50% · ×100
Score reward50% · ×100
Score reward50% · ×100
Score reward50% · ×100
Score reward50% · ×100

Used in

Recipes that use this item as a crafting material.

Crafting×50 needed
ProducesSplit Chain

Comments

Guides

In-house guides re-tested every patch.

Guides and articles content remains in English.

Mongil: Star Dive — Beginner Guide

Adventure map, jumping, gathering and the first-week checklist — every core mechanic the in-game tutorial walks you through, written in one place.

Trakan

Updated Patch 1.0

Reroll Guide — Best Targets and Stop Conditions

Best characters to chase on a fresh account, the fastest reroll path, and when the meta says you should stop and commit.

Trakan

Updated Patch 1.0

Best Team Comps — Destroyer, Slayer and Flex Slot

How team building actually works in Mongil — the Destroyer + Slayer + flex template the Stagger system rewards, when to break it for element-locked counters, and the Brawler-led sustained-DPS variant.

Trakan

Updated Patch 1.0

Combat Basics — Hold Attacks, Switch Skills, Ultimates

Basic attacks, special skills, switch skills and ultimate timing — the hold-input combat system explained without the in-game popup spam.

Trakan

Updated Patch 1.0

Frequently asked

How do I get Rusty Chain in Mongil: Star Dive?: Clear 5 dungeon stages to obtain it. Available from 2 in-game vendors. Earned from 14 limited-time event rewards. Awarded by 9 progression track entries (Season Pass / login).
What is Rusty Chain used for?: Rusty Chain is consumed by 1 recipe. Combine it at the matching crafting bench to produce stronger consumables and growth materials.
Can Rusty Chain be crafted?: Rusty Chain cannot be crafted. It can only be obtained from drops, quests or the listed sources.
What rarity is Rusty Chain?: Rusty Chain is a tier 2 material cube grade item.
Is Rusty Chain worth farming?: Yes — Rusty Chain unlocks 1 downstream recipe. Stockpile it whenever you're farming the listed sources for fewer trips later.