Mercenary System

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The mercenary system is designed to add a new dimension to Ragnarok Online, allowing players to have an NPC henchman to fight at their side. Players will be able to support, party with, and control a mercenary using an updated version of the homunculus system. Different from homunculi, any player can use mercenaries, but instead of a creature that grows alongside you, mercenaries have fixed stats based on the level of mercenary summoned. A contract is made with a mercenary and scrolls are used to call them into battle. Both homunculus and mercenary can be used by a player at once. Mercenaries are all of the Demi Human race.

Summoning a Mercenary

Initially to make use of the mercenary system, you must visit one of the mercenary guilds across the Rune-Midgarts Kingdom. The Spearman Mercenary Guild is located in Prontera (prontera 41, 337), the Bowman Mercenary Guild is in Payon (pay_arche 99, 167), and the Fencer Mercenary Guild is located in Izlude (izlude 47, 139). To invoke a contract with a mercenary and summon one to your side, you must purchase scrolls. The cost of scrolls increases with higher level mercenaries, and the maximum level of mercenary that can be summoned is limited by a character's base level. Some high-level contracts require a certain amount of Loyalty Points to purchase, and the Superior Mercenary Scroll (Level 10) can only purchased in exchange for loyalty points. Scrolls cannot be sold, transfered, or moved into storage or carts.

The stats of the mercenary summoned is based on the scroll used and they come with fixed skills which are different depending on the type of mercenary summoned. Once a mercenary is summoned, it will last either until it dies or the contract expires.


The mercenary system is very similar to that used by the homunculus, as both are run by an AI on the client side. Mercenaries by default use a non-aggressive AI and only attack targets hitting the player or targets the player is attacking. The AI itself is located in the /AI/ folder in the RO directory. Where as homunculus normally executes AI.Lua, mercenaries use a separate file AI_M.Lua. Users can and are encouraged to customize their mercenary AI by modifying the files in the /AI/USER_AI/ folder. Instead of configuring it with /hoai command in-game, players use /merai instead to configure custom AI.


The following are keys used to control mercenaries.

Enemy Targeting - Alt + Left Click (on monster)
Left clicking once will cause the mercenary to queue up the monster. Left click again and the mercenary will immediately switch targets.
Moving - Alt + Left Click (on ground)
Alt and Left Clicking on the ground will cause the mercenary to stop everything and move to the target cell.
Standby - Ctrl + T
In standby the mercenary will stop everything and wait for orders at the master's side.
Information - Ctrl + R
Opens the mercenary status window.


Mercenary Details

Base Stats
A mercenary's level and statistics are fixed when summoning, based on the level of scroll used. However, based on one's Loyalty Points with that mercenary's guild and the kill count, additional bonuses can be received. Attack speed, no matter what mercenary type or level, will always be fixed at 156 ASPD
Mercenary skills are based on the level of the mercenary summoned, and one's Loyalty Points with the mercenary guild. Skills act as if they have been used by a Party member; for example, the Sacrifice skill will not function if the mercenary's own level is not within 10 levels of the summoner.
Supportive Skills
The mercenary is considered very much the same as a player and all supportive magic should function, with the following exceptions:
Skill Effect
Increase AGI Mercenary will receive a boost to its flee rate only.
Blessing Mercenary will receive a boost to its hit rate only, and will cure cursed status.
Heal Heal only recovers 1/2 the normal amount that it would heal a player.
Endow Blaze Players can only cast Endow Blaze on the Mercenary if they are the summoner.
Endow Quake Players can only cast Endow Quake on the Mercenary if they are the summoner.
Endow Tornado Players can only cast Endow Tornado on the Mercenary if they are the summoner.
Endow Tsunami Players can only cast Endow Tsunami on the Mercenary if they are the summoner.
Ankle Snare A maximum of 10 traps can be placed at one time. Traps can be placed directly beneath targets.
Provoke Can be cast on players as well as enemies. Can be used to break stone curse and frozen states.
Mercenaries require no feeding or upkeep to keep in play like homunculus or pets (though its contract automatically expires after 30 minutes).
If a mercenary moves more than 15 cells away it will be teleported to the summoner's position.
Player Versus Player
Mercenaries can be used in both PvP and WoE maps. Mercenaries are unable to damage the emperium.
Each class of mercenary has its own custom sprite. Each level of mercenary uses a specific headgear that allows it to be identified. These headgears cannot be chosen or changed and do not have any effect on the performance of your mercenary.

End of Contract

The following are the 4 conditions in which a mercenary will leave its master. In each case, the game will display a message in the chat box as to why the mercenary left.

Contractor Dies
The player summoning the Mercenary has died.
Mercenary Dies
The mercenary summoned has died.
Contract Ends
The mercenary contract lasts 30 minutes, after which the mercenary will leave.
Contract Canceled
The player manually dismisses the mercenary.


As a player fights along side with mercenaries, that player can gain Loyalty Points. More points gives the player faster Killcount Bonuses and allows the player to contract higher level mercenaries. Number of Loyalty Points is specific to each guild of mercenaries, so for example if a player gains a large number of points with the Bowman Mercenary Guild, the amount will have no effect on their standing with the Fencer and Spearman guilds.

The following conditions affect one's Loyalty Points.

Fighting Together with Mercenary
When a suitably strong monster is killed by a player (more than 1/2 the base level of the player), their Killcount goes up by 1. It doesn't matter if the player or the mercenary kills the monster, or if they work together to kill it. For every 50 killcount, they gain one Loyalty Point.
Successfully Completing a Contract
If a player and their mercenary successfully survive the full duration of a 30 minute contract, they gain one Loyalty Point.
Mercenary Dies
If the mercenary is killed while bound by contract to a player, they lose one Loyalty Point.


As either the player or their mercenary kills monsters (monsters higher than 1/2 the base level of the owner), their killcount will increase. At fixed killcount intervals, a mercenary will receive a random boost to one of their stats. The number of kills required goes down based on the player's reputation with that mercenaries guild. The mercenary can obtain multiple bonuses, which will increase another stat randomly or boost the same one further. There's a total of 5 increases that can be received to each stat.

Killcount bonuses do not stack, and if a player receives a higher level bonus it will replace the existing bonus of that type.

Lvl 1 Lvl 2 Lvl 3 Lvl 4 Lvl 5
Flee Boost +15 +30 +45 +60 +75
Attack Power Boost +15 +30 +45 +60 +75
HP Boost +5% +10% +15% +20% +25%
SP Boost +5% +10% +15% +20% +25%
Hit Boost +15 +30 +45 +60 +75

In the case that the mercenary receives a boost to its HP, their HP will be completely recovered. Likewise, if SP is increased they will fully recover their SP.

The boost to stats that are received is not permanent, and is lost at the end of the contract, regardless of how it ends.

Item Pricing and Limitations

Item Name Level Requirement Other Requirements Price* Effect
Level 1 Scroll Base Level 15+ None 7,000Z Summons a level 20 mercenary.
Level 2 Scroll Base Level 25+ None 14,000Z Summons a level 30 mercenary.
Level 3 Scroll Base Level 35+ None 21,000Z Summons a level 40 mercenary.
Level 4 Scroll Base Level 45+ None 28,000Z Summons a level 50 mercenary.
Level 5 Scroll Base Level 55+ None 35,000Z Summons a level 60 mercenary.
Level 6 Scroll Base Level 65+ None 42,000Z Summons a level 70 mercenary.
Level 7 Scroll Base Level 75+ 50+ Loyalty Points 49,000Z Summons a level 80 mercenary.
Level 8 Scroll Base Level 85+ 100+ Loyalty Points 56,000Z Summons a level 90 mercenary.
Level 9 Scroll Base Level 90+ 300+ Loyalty Points 63,000Z Summons a level 95 mercenary.
Level 10 Scroll Base Level 90+ 500+ Loyalty Points 400 Loyalty Points Summons a level 99 mercenary.
Mercenary Red Potion - None 1750Z Recovers a base of 1000 HP.
Mercenary Blue Potion - None 3500Z Recovers a base of 100 SP.
Mercenary Concentration Potion - None 560Z Increases Mercenary ASPD by 10%.
Mercenary Awakening Potion Level 40+ Mercenary None 1050Z Increases Mercenary ASPD by 15%.
Mercenary Berserk Potion Level 80+ Mercenary None 2100Z Increases Mercenary ASPD by 20%.

Fencer Mercenary

Scroll Level Mercenary Name Level HP SP ATK Hit Flee DEF MDEF HP/SP Regen Headgear Skills
1 David 20 502 70 174~261 50 47 26+5 0+3 8 HP per 8s
2 SP per 6s
Giant Band Aid Bash Level 1
Decrease AGI Level 1
2 Ellen 30 979 99 258~387 65 68 31+6 0+9 10 HP per 8s
2 SP per 6s
Angry Snarl Magnum Break Level 3
Provoke Level 5
3 Luise 40 1,555 134 326~489 80 85 36+7 3+9 13 HP per 8s
4 SP per 6s
Elephant Hat Benediction Level 1
Weapon Quicken Level 1
4 Frank 50 2,397 162 382~573 90 109 39+8 5+10 18 HP per 8s
4 SP per 6s
Baseball Cap Crash Level 1
Magnum Break Level 5
5 Ryan 60 3,387 195 406~609 105 128 42+9 7+10 24 HP per 8s
5 SP per 6s
Funeral Hat Bash Level 5
Benediction Level 1
Crash Level 4
6 Paolo 70 4,495 241 436~654 120 145 45+10 12+17 33 HP per 8s
8 SP per 6s
Hibiscus Decrease AGI Level 3
Sense Level 1
7 Jens 80 5,889 279 468~702 135 168 47+11 15+17 45 HP per 8s
9 SP per 6s
Tiger Mask Bash Level 10
Berserk Level 1
Scapegoat Level 1
8 Thierry 90 7,520 325 500~750 150 185 49+12 18+24 60 HP per 8s
13 SP per 6s
Crescent Helm Bowling Bash Level 5
Compress Level 1
9 Steven 95 9,052 348 524~786 155 190 51+12 22+27 104 HP per 8s
14 SP per 6s
Angeling Hat Shield Reflect Level 5
Crash Level 3
10 Wayne 99 12,355 451 760~1,040 159 204 64+30 30+45 228 HP per 8s
25 SP per 6s
Solar God Helm Bash Level 10
Bowling Bash Level 10
Frenzy Level 1

Bowman Mercenary

Scroll Level Mercenary Name Level HP SP ATK Hit Flee DEF MDEF HP/SP Regen Headgear Skills
1 Mina 20 256 200 170~255 48 36 7+5 5+3 7 HP per 8s
6 SP per 6s
Beanie Double Strafe Level 2
2 Dororu 30 457 70 228~342 70 48 11+8 7+5 8 HP per 8s
6 SP per 6s
Golden Gear Arrow Shower Level 2
Sight Level 1
3 Nami 40 732 93 260~390 92 61 15+12 9+10 11 HP per 8s
3 SP per 6s
Golden Bells Arrow Repel Level 1
Weapon Quicken Level 2
4 Elfin 50 1092 116 310~465 110 83 18+17 11+14 17 HP per 8s
3 SP per 6s
Alice Doll Magnificat Level 1
Sense Level 1
Tender Level 1
5 Clara 60 2212 280 360~540 143 101 20+17 13+20 29 HP per 8s
9 SP per 6s
Kabuki Mask Double Strafe Level 5
Remove Trap Level 1
6 Dali 70 3098 353 424~636 153 116 21+24 15+33 51 HP per 8s
16 SP per 6s
Crown of Ancient Queen Double Strafe Level 7
Skid Trap Level 3
Decrease AGI Level 1
7 Karaya 80 4051 415 468~702 171 135 24+27 16+39 72 HP per 8s
21 SP per 6s
Zealotus Mask Arrow Shower Level 10
Freezing Trap Level 2
Mental Cure Level 1
8 Hiyori 90 5039 469 481~723 193 155 24+27 18+40 88 HP per 8s
24 SP per 6s
Silver Tiara Sandman Level 3
Weapon Quicken Level 2
Provoke Level 3
9 Kero 95 5572 499 500~750 205 166 25+27 20+41 96 HP per 8s
26 SP per 6s
Nekomimi Double Strafe Level 10
Land Mine Level 5
Arrow Repel Level 1
10 Sukye 99 7381 642 816~1124 222 182 49+27 49+41 126 HP per 8s
34 SP per 6s
Etc Arrow Repel Level 1
Berserk Level 1
Focused Arrow Strike Level 10 Level 1
Weapon Quicken Level 5

Spearman Mercenary

Scroll Level Mercenary Name Level HP SP ATK Hit Flee DEF MDEF HP/SP Regen Headgear Skills
1 Rodin 22 2071 100 168~252 52 23 30+4 1+3 11 HP per 8s
2 SP per 6s
Nurse Cap Pierce Level 1
Regain Level 1
2 Lancer 34 2523 131 208~312 71 35 33+4 1+3 12 HP per 8s
3 SP per 6s
Dark Blinder Brandish Spear Level 2
Lex Divina Level 1
3 Nathan 41 3397 161 248~372 81 42 36+22 55+12 51 HP per 8s
3 SP per 6s
Goblin Leader Mask Pierce Level 2
Recuperate Level 1
Sacrifice Level 1
4 Roan 55 4580 191 300~450 105 57 39+35 5+17 102 HP per 8s
4 SP per 6s
Sheep Hat Crash Level 1
Defending Aura Level 1
5 Orizaro 60 5899 221 350~510 120 62 42+39 10+19 144 HP per 8s
4 SP per 6s
Lazy Smokie Guard Level 3
Pierce Level 5
6 Thyla 72 7874 252 370~555 133 75 46+15 10+84 77 HP per 8s
30 SP per 6s
Grief for Greed Brandish Spear Level 5
Weapon Quicken Level 2
7 Ben 81 10260 330 380~570 142 84 50+63 15+51 394 HP per 8s
14 SP per 6s
Marionette Doll Berserk Level 1
Sacrifice Level 1
8 Pinaka 90 13167 366 400~600 153 110 55+74 20+57 591 HP per 8s
16 SP per 6s
Lion Mask Pierce Lv10
Provoke Level 5
Scapegoat Level 1
9 Kuhlmann 95 14648 398 440~660 158 120 60+77 25+63 683 HP per 8s
20 SP per 6s
Cross Helm Brandish Spear Level 10
Defending Aura Level 3
Guard Level 7
10 Roux 99 18000 413 700~950 169 129 70+90 30+75 978 HP per 8s
23 SP per 6s
Lord Kaho Horns Clashing Spiral Level 5
Guard Level 10
Sacrifice Level 3
Weapon Quicken Level 5

Monster Mercenary

Scroll Name Level HP SP ATK Hit Flee DEF MDEF ASPD Skills
Wild Rose 38 4000 50  ?  ? 123  ?  ?  ? Bash Level 5
Doppelganger 72 7800 200 231~247 147 122 43 18 166 Bash Level 5
Weapon Quicken Level 5
Sacrifice Level 3
Egnigem Cenia 78  ?  ?  ?  ?  ?  ?  ?  ? Unknown

Mercenary Skills

Mercenaries have access to a wide variety of skills, both new skills and skills that are currently used by player classes. The exact skills a mercenary receives varies from mercenary to mercenary, but usually they get anywhere from 2-4 skills. Stronger and higher level skills are usually only available to high level mercenaries. Skills from summoned mercenaries can be cast from the AI code or manually by assigning it to a hotkey for you to target.

The following is a breakdown of the different skills that the mercenaries have available to them.

Player Skills Used by Mercenaries

The following is a list of existing skills which are available to mercenaries, broken down by what classes are able to obtain them. These skills perform identical to the skill obtained by players.

Common Mercenary Skills

Berkas:Berserk.png Berserk
Berkas:Decrease AGI.png Decrease AGI
Berkas:Lex Divina.png Lex Divina
Berkas:Magnificat.png Magnificat
Berkas:Provoke.png Provoke
Berkas:Sense.png Sense
Berkas:Mercenary Sight.png Sight

Fencer Mercenary Skills

Berkas:Bash.png Bash
Berkas:Bowling Bash.png Bowling Bash
Berkas:Frenzy.png Frenzy
Berkas:Magnum Break.png Magnum Break
Berkas:Parry.png Parry
Berkas:Shield Reflect.png Shield Reflect

Bowman Mercenary Skills

Berkas:Arrow Repel.png Arrow Repel
Berkas:Arrow Shower.png Arrow Shower
Berkas:Double Strafe.png Double Strafe
Berkas:Focused Arrow Strike.png Focused Arrow Strike
Berkas:Freezing Trap.png Freezing Trap
Berkas:Land Mine.png Land Mine
Berkas:Remove Trap.png Remove Trap
Berkas:Sandman.png Sandman
Berkas:Skid Trap.png Skid Trap

Spearman Mercenary Skills

Berkas:Brandish Spear.png Brandish Spear
Berkas:Clashing Spiral.png Clashing Spiral
Berkas:Defending Aura.png Defending Aura
Berkas:Guard.png Guard
Berkas:Pierce.png Pierce
Berkas:Sacrifice.png Sacrifice

New Mercenary Skills

In addition to player skills, mercenaries have access to the following new skills. These skills are non-specific to any particular mercenary class.

Skill Description Type
Berkas:Benediction.png Benediction
Recovers the target from both Curse and Blind statuses. Supportive
Berkas:Compress.png Compress
Recovers the target from the Bleeding status. Supportive
Berkas:Crash.png Crash
Deals three hits with a chance to Stun. Offensive
Berkas:Mental Cure.png Mental Cure
Recovers the target from both Hallucination and Chaos statuses. Supportive
Berkas:Recuperate.png Recuperate
Recovers the target from both Poison and Silence statuses. Supportive
Berkas:Regain.png Regain
Recovers the target from both Sleep and Stun statuses. Supportive
Berkas:Scapegoat.png Scapegoat
The mercenary gives all of its remaining HP to the summoner and dies. Any excess HP is discarded. Supportive
Berkas:Tender.png Tender
Recovers the target from both Frozen and Stone statuses. Supportive
Berkas:Weapon Quicken.png Weapon Quicken
Temporarily increase Attack Speed of a Mercenary for the skill's duration. Supportive