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Full Installation Needed!

Hi players, in order to ensure all players having the latest copy of kro client 2020 merging with jero custom items. It is recommended for players to re-install a Full game installation of JeRO.

To play safe, just create a new folder, example [Full]JeRO 2020, and install/extract the files into that folder you have created.

We are very sorry for this "heavy duty" of re-downloading the full installation files. Click Here

Join Us in Discord

Hi players, join us in discord if you have any enquires on JeRO. Click Here


Hot fixes on upcoming item descriptions 10/10/2020.

Download and replace it: from jero folder --> search and go to system folder ---> put in the iteminfo.lua and lub in it. Click Here

Old Jero Server has been closed on 10th Nov.
Transaction from old to new server will stop on 31st Dec 2019.

JeRO started back in late 2017. It has progressive improved over the years. It is currently using client 2019, 17.1 episode.

Join Us on JeRO Discord Channel - https://discord.gg/j6QUVaH

Oktoberfest Event (1 Oct to 8 Oct)

Oktoberfest NPC Gift reward will be available to redeem oktober costume. Location at Lighthalzen Town.

Halloween Event (1st October to 31th October)

To celebrate the coming halloween season on 26th Sept till 31st Oct. We will be adding special monsters "Ghostring" that drops halloween coins at selective maps. Special Ghostring mob spawn rates at 4hrs. For more informations Click Here

    Spawn timing is every 1 hr!
  • Nilfhiem town map
  • Glast Hiem exterior map
  • Coal Mine Dungeon Level 3
  • Louyang Dungeon Level 2
  • Abbey Field

Special Hallowring boss invaving towns!

Hallowring Boss will be invading random town for a limited time period. Boss drop Mythril coin as well.

    Time spawn:
  • Monday: 530am, 1130am, 530pm and 1130pm.
  • Tuesday: 530am, 1130am, 530pm and 1130pm.
  • Wednesday: 530am, 1130am, 530pm and 1130pm.
  • Thursday: 530am, 1130am, 530pm and 1130pm.
  • Friday: 530am, 1130am, 530pm and 1130pm.
  • Saturday: 530am, 1130am, 530pm and 1130pm.
  • Sunday: 530am, 1130am, 530pm and 1130pm.

MVP drop special Firestorm Card: On weapon

Weekend Raids:Gm will include 10x Special Ghostring at 11pm Raids. Please remember to loot those coins. Halloween coins ID = 6658

Halloween coins can be traded with GMs to Game ticket, which can be used to exchange any essences or souls of your choice. Instead: It will be a default 75 halloween coins to redeem 1x game ticket.

On the last day of 31st Oct.

A Npc will spawn at the ghastly town of Niflheim. Players can talk to this npc to claim your halloween rewards. It will be a one time reward and its IP locked.

Haunted Horror House opens. Tons of mobs and a mysterious MVP boss will be in there. Remember to talk to the npc butler in the house of horror before exiting to gain 1 tristam card and many other items. Once exit you can't return...

JeRO Rates

Max Level : 255/150

Max Stats : 200 (Pre-renewal growth stats)

Max ASPD : 193

Base Experience : 20000x

Job Experience: 20000x

Common Weapon Drops : 100%

Common Item Drops : 100%

Common Card Drops : 60%

MVP Weapon Drops : 100%

MVP Item Drops : 100%

MVP Card Drops : 30%

Boss Card Drops : 30%

mvp 0 MvP Killed
shield 13,569 Characters
lock 12,469 Sign Ups


Rune Knights practice a new type of magic derived from Rune Stones. Although magic from Rune Stones can be casted very quickly and does not consume SP, Rune Knights can only carry so many Rune Stones at a time and they need many materials the create different kinds of Rune Stones.

  • Rune Knight
  • Royal Guard
  • Warlock
  • Sorcerer
  • Ranger
  • Wanderer / Minstrel
  • Mechanic
  • Genetic
  • Guillotine Cross
  • Shadow Chaser
  • ArchBishop
  • Sura
  • Star Emperor
  • Soul Reaper
  • Kagerou / Oboro
  • Rebellion
  • Summoner