Chaos Berserker - World Events - MO.CO

Browse Games

ARC Raiders

Extraction Shooter

Runescape Dragonwilds

What's New

Grounded 2 Into the Abyss Update

2026-08-12

Grounded 2 Into the Abyss Update has just launched and we've updated Metaforge to reflect that.

Interactive Map Updated (Click the Dropdown above Filters to access into the Abyss Map)
Desktop App Updated
iOS and Android Mobile Companion Apps Updated

Arc Raiders Mobile Apps now Live

2026-08-11

We've just launched our mobile apps for iOS and Android which includes our Interactive Maps, Database, Event Timers and more!

Runescape Dragonwilds 0.12.1 Update

2026-07-31

We've updated our Runescape Dragonwilds section for the latest 0.12.1 update!

New quest the Great Body Robbery side quest questline with markers
The new Kebbit Burrow Spots added to the Map
New Agility Course Locations added to the Map
Agility skills added to the Database
New Mystic Forge added to the Database with the cost to upgrade your Masterwork items such as the Abyssal Whip

You need to be logged in to see your favorites.

Premium

MO.CO

Back to World Events

Work in Progress: This database is currently under development and some information might be missing.

Chaos Berserker

Chaos Berserker Description

Chaos Berserker is a world event in mo.co that appears across 11 areas (6 normal mode, 5 hard mode). Encountered during open-world play.

Spawns Monster

Chaos Berserker

Appears In 11

Normal Mode

OVERGROWN RUINS 10% · max 100
INFESTED FOREST 30% · max 300
CAVE OF SPIRITS 10% · max 100
CASTLE WALLS 30% · max 300
SUMMONING GROUNDS 10% · max 100
SEWERS 30% · max 300

Hard Mode

CORRUPTED VILLAGE 10% · max 100
CORRUPTED RUINS 30% · max 300
CORRUPTED CAVE 10% · max 100
CORRUPTED CASTLE 30% · max 300
CORRUPTED SHRINE 10% · max 100