Hi all, 
I'm in the middle of designing a referral system, so far it is almost 80% completed and should be up within few more days.
So far the reward are as follow and maybe i will increase more in the future.

1) Each succesfully verified registration:
 Both get 5 CP

2) Each player you refer reach max base level (99):
 You : 10 RC  and 1mil Zeny
 Player : 5 CP and 1mil Zeny

3) Referral Progress Reward
  i) Referred 3 player:
   5 CP and 1mil Zeny

  ii) Referred 6 player:
   5 CP and 2mil Zeny

  iii) Referred 10 player:
   5 CP and 3mil Zeny


Hope you guys enjoy and bring more player to join us!

Hello, whats going on? I thought there are some players here but found out all are vendors.... Is this server closing?

Hi, I got this error returned when I load the HiRO.exe as below. Please help, thanks.

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Resource File Loading Fail when i got inside rachel sanctuary

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Goody Day Everyone!,

I'm Having a problem with rachel entrance quest, I already donated 1.5+m at npc Nemma (ra_temple 116,174) or is it my donation is not enough to trigger autolocking mechanism event to start the quest?

downloaded the 1st mirror of KRO:updated the kro file
2nd:downloaded the hiro patcher
3rd:run the file but when clicking start game its not showing the game, already tried changing the resolution but its not opening after using the patcher

Known Issue / Bugs / Error

Client (game.exe)
* Hair style >28 ~ 94 (Error & Crash)

Graphic
* (FIXED) Item Costume Exploding Crimson - Error & Crash when wear and preview(game will show error logs but not close the client)

Gameplay
* (FIXED) Doppelgangger Card extremely fast. XD
   - Reduce bAspdRate from 100 -> 60

Website
* Missing some Item Icon
* Missing some Item Image

SQI Item Guide

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Brisingamen
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Required Item
Ring x4
Earring x4
Brooch x4
Glove x4
Rosary x4
Necklace x4
Zeny : 120,000,000

================================================
Magingiorde
================================================

Required Item
Belt x1
Angel Wing x1
Tarou Card x1
Mantis Card x1
Picky Card x1
Deviruchi Card x1
Hornet Card x1
Kobold Card x1
Ring x10
Ring x10
Zeny : 150,000,000

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Sleipnir
================================================

Required Item
Sleipnir x1
Greaves x3
Zeny : 50,000,000

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Valkyrie Helm
================================================

Required Item
Angel Wing x1
Angel Wing Ears x1
Helm of Angel x1
Spiky Band x1
Queen's Hair Ornament x1
Crown of Mistress x1
Bone Helm x1
Zeny : 130,000,000

SQI Item Guide

Each Class are given each specific SQI item. Please refer below:

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Hunter | Artemis Bow
================================================

Required Item
Rudra Bow x1
Ballista x1
Bow Thimble x1
Morrigane's Belt x1
Safety Ring x1
Arrow of Counter Evil x1
Breeze Card x1
Red Bijou x50
Blue Bijou x50
Yellow Bijou x50
Green Bijou x50
Costume Hunter Hat x1
Essence of Hunter x1
Zeny : 50,000,000

Available upgrades
15 Luk
Increased 20% Magical Resistance
Critical hits +10%
Double Strafe +15%
Inflict Bleeding
Level 4 Safety Wall
15% Additional HP
Arrow Storm +150%
10 INT

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Rogue |  Bow Of The Devil
================================================

Required Item
Earth Bow x1
Roguemaster's Bow x1
Whisper Card x1
Young Twig x2
Peridot x60
Blue Feather x40
Banshee Master Card x1
Essence x1
Zeny : 50,000,000

Available upgrades
+5 Dex(1)
+5 Dex(2)
+15 Crit
+75 ATK
+50 MATK
+30 Flee
Auto cast Strip Armor
+30% SP
+15% Melee Resistance

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Priest | Evangelist
================================================

Required Item
Holy Robe x1
Coif x1
Plankton Card x2
Galion Card x2
Aqua Elemental Card x1
Crystal Blue x100
Hand of God x10
Fang of Hatii x50
Essence of Priest x1
Zeny : 50,000,000

Available upgrades
Sanctuary Bonus 20% Heal
+15 Crit
+100 Atk
Stone Curse & Freeze Resistance by 30%
+5 Dex (1)
+5 Dex (2)
+10 Int
Frost Nova lvl 10
Chance to Cause Sleep

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Black Smith | Mjolnir
================================================

Required Item
Golden Mace x1
Iron Driver x1
Golem Card x1
Heart Breaker x1
Metaller Card x1
Rough Wind x150
Refined Bradium x100
Essence of Blacksmith x1
Zeny : 50,000,000

Available upgrades
Learn Throw Tomahawk Level 1 + 200% more damage with Throw Tomahawk
Wide Silence Level 1 When Casting Hammer fall
10% Reduction Against Ranged Attack
+15 Dex
+15 Crit
+15 Luk
Learn Charge Attack (1). Your Casting Time Reduced by 30%
Max Overthrust costs 75% less zeny
+15% More Damage with Critical Hits

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Monk | Suiken
================================================

Required Item
Waghnak x1
Berserk x1
Executioner's Mitten x1
Marine Sphere Card x1
Caramel Card x3
Broken Liquor Jar x20
Poison Bottle x20
Gemstone x50
Mystic Frozen x125
Alcohol x200
Essence of Monk x1
Zeny : 50,000,000

Available upgrades
50% Auto cast Hyper Spirit Sphere on Fury
+5 Dex
+40 Hit
Increased Damage with Combos
Increased Knuckle and Chain Crush
Freeze / Stone Curse Resistance
+5 STR
+13% ASPD
Chance to Freeze Target

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Mage/Wizard | Staff of Magi
================================================

Required Item
Mighty Staff x1
Soul Staff x1
Wizardry Staff x1
Belmont Whip x2
Red Blood x140
Level 5 Fire Bolt x5
Level 5 Cold Bolt x5
Level 5 Lightening Bolt x5
Level 5 Earth Spike x5
Essence of Wizard x1
Zeny : 50,000,000

Available upgrades
+5 Dex (1st)
+5 Dex (2nd)
+5 Dex (3rd)
20% Chance to Curse Your Opponent When Attacking
+30% increase in HP
Reduction against range attack by 20%
Ignore DEF of demi-human monster
Reduction in AMP casting time by 75%
+100% more damage with Magic Crasher. 10% chance of casting Ganbantein when using Magic Crasher

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Crusader | Aegis Shield
================================================

Required Item
Mirror Shield x1
Sacred Mission x1
Safety Ring x1
Rosary x1
Emperium Anvil x1
Ambernite Card x1
Medusa Card x1
Orc Warrior Card x2
High Orc Card x1
Emperium x12
Piece of Shield x30
Essence of Crusader x1
Zeny : 50,000,000

Available upgrades
Reflect 10% Short-Range Damage
+8 Magic Def(mdef)
Reduce 10% after cast Delay
Full HP/SP on Resurrection
10% Damage more with Shield Chain
10% Increase Healing Power
Uninterruptible Cast
Increase Holy and Grand Cross Damage by 20%
Indestructible

================================================
Dancer | Belmont Whip
================================================

Required Item
Whip of Balance x1
Chemeti Whip x1
Eye of Dullahan x1
Assaulter Card x1
Pest Card x1
Flame Heart x1
Valhalla's Flower x1
Essence of Dancer x1
Zeny : 50,000,000

Available upgrades
+20% HP
+10 Dex
+10 Agi
+10 Luk
+15 Crit
Increase Critical Damage
Increase Long-Range Damage
Inflict Stone Curse or Sleep
Increase Throw Arrow Damage

================================================
Novice | Blade of Angels
================================================

Required Item
Holy Dagger x1
Angel's Kiss x1
Angel's Reincarnation x1
Angelic Cardigan x1
Angelic Guard x1
Angelic Protection x1
Argos Card x1
Megalodon Card x1
Amulet x80
Will of Red Darkness x1
Essence of Super Novice x1
Zeny : 50,000,000

Available upgrades
+100 ATK
+30% HP
Melee and Ranged Resistance 20%
Autospell Level 10
+50 Magic attack (matk)
30% Stone Curse and Freeze Resistance
Aspersio level 5
+1000 SP
Aura Blade level 5

================================================
Alchemist | Djinn
================================================

Required Item
Orcish Axe x1
War Axe x1
Green Petite Egg x1
Sandman Card x2
Great Nature x180
Doom Slayer x1
Mother's Nightmare x1
Essence of Alchemist x1
Zeny : 50,000,000

Available upgrades
+100 Attack
Reflect 15% of melee damage when physically attacked
50% More Damage With Mammonite
+5 Dex (1st)
+5 Dex (2nd)
+15% More HP
+20 Luk
Level 6 Firebolt (manual and 5% auto cast) and +10% MATK
5% Chance to inflict Stone Curse On Enemy when Physically Attacked

================================================
Bard | Electric Guitar
================================================

Required Item
Gumoongoh x1
Guitar x1
Violin x1
Lute x1
Gigant Helm x1
Wind Ghost Card x1
Singing Plant x100
Wind of Verdure x100
Essence of Bard x1
Zeny : 50,000,000

Available upgrades
+20% HP
+15 Crit
Allow Jupiter Thunder Level 3
+10 Int
+10 Dex
+10 Vit
Increase 15% Critical Damage
Increase 20% Long-Range Damage
Increase 35% Musical Strike Damage

================================================
Taekwon/Star Gladiator | Eversong Greaves
================================================

Required Item
Shoes x1
Rider Insignia x1
Boots x1
Greaves x1
Valkyrian Shoes x1
Andre Card x1
Anodyne x100
Heroic Emblem x20
Red Feather x30
Essence of Taekwon x1
Zeny : 50,000,000

Available upgrades
HP Boost (10% TK  20% TKM)
TK 40 Hit TKM 15 Luk
TK 30% ASPD TKM 10 Dex
+130 ATK
Increased Flying Side Kick Damage 50%
+20% SP
+10 Crit
Increased Critical Damage 15%
30 Flee

================================================
Soul Linker | Ghostdancer Staff
================================================

Required Item
Evil Bone Wand x1
Survivor's Rod x1
Wand of Occult x1
Gentleman's Staff x1
Giant Whisper Card x1
Wind Ghost Card x2
Level 5 Soul Strike x20
Essence of Linker x1
Zeny : 50,000,000

Available upgrades
+20% HP and SP
+10 Int
Improve Concentration on Wizards
Auto guard on Priests
Energy Coat on Hunters
Reflect Shield on Knights
Auto cast Acid Terror 15%
Auto cast Holy Cross 10%
Auto cast Jack Frost 5%

================================================
Ninja | Hira Shurikat
================================================

Required Item
Huuma Blaze Shuriken x1
Huuma Giant Wheel Shuriken x1
Huuma Wing Shuriken x1
Thara Frog Card x2
2carat Diamond x20
Rough Wind x200
Essence of Ninja x1
Zeny : 50,000,000

Available upgrades
Increase Throw Shuriken and Kunai Damage
Reduce Cast Time
+20% Demi-human Resistance
+10% HP & SP
+15% Matk
Allow Hiding
Increase Wind Blade Damage
+13% ASPD
+15 Crit

================================================
Knight | Nibelungen
================================================

Required Item
Ivory Lance x1
Tirfing x1
Gungnir x1
Lance x1
Argiope Card x2
Loki's Whispers x2
Talon of Griffon x20
Essence of Knight x1
Zeny : 50,000,000

Available upgrades
+8% Spear Piercing Damage
+15 Crit
Reduce After cast delay by 10%
Joint Beat Damage Boost
More damage with Bowling Bash and Brandish Spear
Spear Boomerang Wind Endow
+10 STR
Earth Endow with Spear Stab
Increased ASPD 13%

================================================
Sage | Tome of Ymir
================================================

Required Item
Book of Billows x1
Book of Gust of Wind x1
Book of Mother Earth x1
Book of the Blazing Sun x1
Book of the Apocalypse x1
Tablet x1
Memory Book x1
Yellow Novus Card x1
Old Magicbook x20
Worn Out Page x75
Essence of Sage x1
Zeny : 50,000,000

Available upgrades
Allow Strip Shield (Level 3)
Increase 10% MATK
+15 Crit
+5 DEX (1)
+5 DEX (2)
Ignore Gemstone Requirement
+100 ATK
+20% HP
+13% ASPD

================================================
Assassin| Twin Fang
================================================

Required Item
Assassin Mask x1
Infiltrator x1
Grimtooth x1
Hydra Card x1
Blade Lost in Darkness x20
Oridecon x25
Elunium x100
Drill Katar x1
Cursed Water x100
Dark Piece x25
Essence of Assassin x1
Zeny : 50,000,000

Available upgrades
+30 Flee
+15 Crit
+40 ATK
+40% More Damage with Meteor Assault
Casting Time Reduced by 15%
+10 INT
+25% More Damage for Grimtooth
+25% More Damage for Soul Destroyer
+30 HIT

================================================
Gunslinger| Scouter
================================================

Required Item
Monocle x1
Headset x1
Vesper Core 01 x1
Vesper Core 02 x1
Vesper Core 03 x1
Vesper Core 04 x1
Fragment x250
Essence of Gunslinger x1
Zeny : 50,000,000

Available upgrades
Auto cast Call Spirits(5) when using Flip Coin
Increase Ground Drift Damage 50%
Increase Triple Eye & Bull’s Eye 40%
Auto cast Stone Curse 3%
+20% HP & SP
+15% Non-boss Resistance
+10% ASPD
+15 Crit
Increase Critical Damage 20%

SQI Item Guide

To enter Valhalla, you are required to complete all 4 Godly Item Seal. But for now, only completing Sign quest and Nameless Island Entry quest are the required.
Each Class Specific SQI item can be upgraded up to only 4 upgrades. The upgrades are bound to char, not the account. That means the upgrade are not transferable to other char/account. However the SQI item can be traded normally but the new owner will not receive the previous upgrade.

Class Specific SQI Item

Non-Class Specific SQI Item