Note: Not all translations may be 100% accurate.

ROSO Game Guide

Welcome to our Game Guide! These guide(s) were made in order to help you out in your journey through ROSO!

For more information about any item(s) or monster(s) in our server, check out our Game Database

Note: You can hover your mouse over any icon for more details about that item.

Last Update on: December 17th, 2018

World Bosses

World Bosses

3 brand new bosses have been added to the game! Siasbad, Lerna, and Zelkor!


Battle against other players in a battle for the top 10 damage done to the boss!
1.) Simply start attacking one of the bosses if you see them to start participating
2.) Each boss will stick around for 15 minutes, try to do the most damage in that time!
MobLocationSpawn Time
Argent Outskirts (2127,2803)12:02 AM (Server Time) Everyday
Shaitan Outskirts (960,3601)08:02 AM (Server Time) Everyday
Icicle Outskirts (1230,535)04:02 PM (Server Time) Everyday


You can view your ranking at anytime by using the commands "/world" or "/wb" to get live results! Otherwise, the system will refresh the rankings every 45 seconds


Simply by participating you'll receive rewards if you are in the same map as the boss by the time it is over.

Participation Prizes
+1% Exp Scroll(1x)
Raid Framgents(3x)
Wyvern Framgents(3x)
Random Lv1-3 Excrutiating Dragon Chest(1x)

Ranked Rewards
1-Billion Note 1 *(11 - your rank)x
+(11- your rank)% bonus damage for 4 hours
Type "/buff" for more info

Note1: Rank 2 would get 9x 1-Billion Notes, and a +9% damage bonus increase, Rank 3 8x 1-Billion and a +8% damage bonus, Rank 4 7x 1-Billion and a +7% damage bonus, and so on until Rank 10 1x 1-Billion and a +1% damage increase.
Note2: If you have more than 1 character participating, only the character with the highest rank will be rewarded.