Version 1[]
The Dark Cave[]
https://www.desmos.com/calculator/fjgmlk3cpm
Level 23-26, max group size 4
80% group chance
Grubling Trio 50%
Kuro (16.67%)
Nitro (16.67%)
Pigward (16.67%)
The Darker Cave[]
https://www.desmos.com/calculator/ulmmnvvllr
Level 24-26, max group size 4
80% group chance
Grubling Trio 50%
Kuro (16.67%)
Nitro (16.67%)
Pigward (16.67%)
The Darkest Cave[]
https://www.desmos.com/calculator/wkzsw8cb0r
Level 25-27, max group size 4
80% group chance
Grubling Trio 50%
Kuro (16.13%)
Nitro (16.13%)
Pigward (16.13%)
Ersa (1.61%)
Version 3[]
First Spawn
Earth Grubling: Level 14
Earth Grubling: Level 14
Grubling Trio: Level 14
Kuro: Level 13
Earth Grubling: Level 15
Earth Grubling: Level 15
Electric Grubling: Level 16
Respawns (28 minutes, 48 hours)
Grubling Trio: Level 15 (20.0%)
Red Grubling: Level 15 (20.0%)
Blue Grubling: Level 15 (20.0%)
Earth Grubling: Level 15 (19.5%)
Kuro: Level 13 (19.0%)
Nitro: Level 15 (1.00%)
Ersa: Level 15 (0.50%)
Boss
Electric Grubling: Level 16 (95%)
Nitro: Level 15 (5%)
The Electric Grubling boss cannot drop hearts.