Mongil Codex · Monsterling · #1
Cappy
Cappy is a common Earth-element Monsterling. It stands 2.0–10.0 m tall and weighs 5–25 kg. Available in 5 variants: N (1★), N (2★), R (3★), SR (4★), SSR (5★). Base stats range from 19/29/91 ATK/DEF/HP at N to 37/57/182 at SSR. Ability: Special Skill Crit Rate +6.3% (Cooldown: 20s) Can be fused with Spark Slime to produce Cappyberry (33% chance); Frostjaw to produce Crimsonjaw (33% chance); Green Cappy to produce Orange Cappy (33% chance).
Profile
- Height
- 2.0–10.0 m
- Weight
- 5.0–25.0 kg
- Companion scale
- 1.00×Display size
Stats
Per-level ATK/DEF/HP scaling — and the reinforcement cost to reach each level. Switch rarities to see how the same level lands at higher floors; scrub the slider to see the cumulative EXP, gold, and best-fit feed mix update live.
Variants
Cappy ships in 5 rarity variants. Each variant scales the same base ATK/DEF/HP curve at different floor values. Use the stats section to scrub the per-level curve for any rarity.
Tame from bestiary

Merge to create
Fuse Cappy with these partners to produce a new monsterling.
Spark Slime
Cappyberry33% success
Frostjaw
Crimsonjaw33% success
Green Cappy
Orange Cappy33% success
Find on map
Dimension spawn: steps 1–50 (normal).
Spawn locationsLocate Cappy on the map3 spawn markers verified in-gameComments
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.
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 does Cappy do as a monsterling?
- Cappy attaches to a character as a passive monsterling companion. See the variants section for the rarity floor each version starts at.
- How do I get Cappy?
- Tame Cappy in the open world to recruit Cappy. The bestiary entry above lists every spawn location.
- Can I fuse Cappy?
- Yes — Cappy is a viable fusion ingredient. Combine it with the listed partners to create 3 different monsterling results.
- What are Cappy's reinforcement costs?
- Cappy reinforces up to level 60. Total cost: 5,025,139 EXP and 25,125,695 gold.
- How many variants does Cappy have?
- Cappy ships in 5 rarity variants — base ATK/DEF/HP scales from the lowest to the highest tier. The Variants section above lists each one.




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