What does Kroko do as a monsterling?

Kroko attaches to a character as a passive monsterling companion. See the variants section for the rarity floor each version starts at.

Kroko is obtained through gameplay progression — check the linked map locations or merge sources.

Kroko cannot be merged with another monsterling. Keep it on its current character for the link skill.

What are Kroko's reinforcement costs?

Kroko reinforces up to level 60. Total cost: 5,025,139 EXP and 25,125,695 gold.

How many variants does Kroko have?

Kroko ships in 5 rarity variants — base ATK/DEF/HP scales from the lowest to the highest tier. The Variants section above lists each one.

Mongil Codex · Monsterling · #10701

Kroko

Element Normal

Normal
Grade 1

Kroko is a common Normal-element Monsterling. It stands 19.8–23.0 m tall and weighs 150–180 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: DEF +4.7% for 5s upon attacking normal enemy 10 times

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

Last reviewed by Trakan — May 13, 2026

Profile

Height: 19.8–23.0 m
Weight: 150.0–180.0 kg
Companion scale: 0.85×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.

LevelLv. 60/ 60

HP2,226+2,044 from Lv. 1
ATK669+632 from Lv. 1
DEF1,044+987 from Lv. 1

Reinforcement to Lv. 60

Target level: 60Lv.
Cumulative EXP: 3,768,879EXP
Cumulative gold: 25,125,695Gold

Recommended feed mix to reach Lv. 60

Variants

Kroko 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.

N★19/29/91
N★★21/32/101
R★★★25/37/119
SR★★★★31/46/146
SSR★★★★★37/57/182

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

What does Kroko do as a monsterling?: Kroko 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 Kroko?: Kroko is obtained through gameplay progression — check the linked map locations or merge sources.
Can I fuse Kroko?: Kroko cannot be merged with another monsterling. Keep it on its current character for the link skill.
What are Kroko's reinforcement costs?: Kroko reinforces up to level 60. Total cost: 5,025,139 EXP and 25,125,695 gold.
How many variants does Kroko have?: Kroko ships in 5 rarity variants — base ATK/DEF/HP scales from the lowest to the highest tier. The Variants section above lists each one.