#0812Gen 8

Rillaboom

grass

By drumming, it taps into the power of its special tree stump. The roots of the stump follow its direction in battle.

Height

2.1m

Weight

90kg

Catch Rate

45/255Hard

How to Evolve Rillaboom in Cobblemon

View Full Evolution Guide

Rillaboom evolves from Thwackey. The Thwackey page contains the exact Cobblemon evolution requirements.

Thwackey

Rillaboom

Base Stats & EV Yield

100

Attack

125

Defence

Sp. Atk

Sp. Def

Speed

EV Yield3Attack

Generic Info

Height: 2.1m
Weight: 90kg
Catch Rate: 45/255Hard
Base Friendship: 50
Experience Group: medium_slow
Base Experience: 265
Hitbox: 1.6w x 2.3h - Fixed: No
Status: Implemented

Abilities

#1: overgrow
#2: grassysurgeHidden

Drops

Rillaboom can drop Stick and Miracle Seed. The table uses 3 drop rolls; percentages are per roll, not guaranteed drops. Quantity ranges show the possible item count for that entry.

Base drops
Amount: 3
#1: Stick1-2
#2: Miracle Seed25%

Breeding

Egg Groups: Field, Grass
Egg Cycles: 20
Gender Ratio: 87.5% M / 12.5% F

Behavior

Movement
Avoids Water: Yes
Herd
Max Size: 7
Tolerated Leaders: RillaboomTier 1
Combat
Will Defend Self: Yes
Will Defend Owner: Yes
Will Flee: No
Resting
Drowsy Chance: 0.0333
Rouse Chance: 0.0042

Forms & Variants

Choose a Rillaboom form or feature-driven variant.

Base formCurrent GmaxBattle onlyDynamax blocked

Where does Rillaboom spawn in Cobblemon?

Rillaboom has 1 natural spawn entry in the current Cobblemon data. It can appear from level 35 to 53. Listed biome tags include jungle-tagged biomes, tropical island-tagged biomes. Some entries also require specific skylight levels.

Plan a hunt View Spawn Data