Mongil Codex · Boss
Custos
Level 30
Earth
Boss
Weak · Ice
Community teams for Custos
Mongil Codex · Community Teams
Be the first team for Custos — share your roster with the community.
Speedrun leaderboard
Stats
- HP
- 72,302Hit points
- ATK
- 275Attack
- DEF
- 349Defence
HP phases
Elemental resistance
Fire25%- Ice0%Weak
Lightning25%
Wind25%- Earth25%
Normal25%
Stagger
- Gauge
- 12,660Stagger pool
- Recovery
- 10.0sRefill window
- Groggy DEF
- 325Break value
Drops
6 unique drops across all difficulties.
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.
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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.
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.
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.
Frequently asked
- What is Custos weak to in Mongil: Star Dive?
- Custos is weak to Ice damage. Build a team led by a Ice damage-dealer for the fastest clears.
- What level should I be to fight Custos?
- Custos is tuned for late-game teams. Bring max-level units for a comfortable clear.
- What does Custos drop?
- Custos drops 6 unique items across difficulty tiers. See the Drops section for icons, names and rarity.
- How many phases does Custos have?
- Custos cycles through 10 HP phases during the fight. Save burst windows for the final bar — the last phase is where most parties wipe.
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