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You are here: Welcome to the GemstoneRO Wiki, your ultimate guide to the best Ragnarok Online private server of 2026! » Instances » Instances - Midgard Tales » Requirements:
Trace: • Sinful Accessories • Fall of Glastheim • Episode 15.1 • Personal Service Bell • Requirements:
instances:midgard:sky_fortress

Table of Contents

Requirements:

  • Have completed the Royal Banquet quest chain.
  • Base level 145+
  • 1 day cooldown

Basic Information

  • A Sky Fortress Ticket can be obtained with Instance Coins which allows the ticket holder to reopen the instance any number of times within a hour

Instance Guide

  1. Use the warper > Instance > Sky Fortress.
  2. Talk to the Scientist Doyeon and create the Sky Fortress instance.

  1. Talk to the device to enter.
  2. Right after entering the map, you will have a small dialog with Stefan J.E. Wolf and then he will attack you.
  3. After killing him, the second wave will be Immortal Zombie Soldiers.
  4. After cleaning the zombies, a new warp will appear and you can walk forward.
  5. During the way up, you will be able to see some Swirling Portals. You can unlook those doors with Sky Fortress Keys.

Behind the Swirling Portal, is a long hall way with monsters. At the end of the hall way, is a Switch. If you use the Switch, you get either a boss monster or a treasure box. 

 Treasure Chest drops Oridecon (984) Elunium (985) Yggdrasil Seed (608) Yggdrasil Berry (607) Old Card Album (616) Mystical Card Album ([[https://ratemyragnarok.com/database/items/12246|12246]])
  • After cleaning those rooms, just go back to the Sky Fortress Mainstairs.
  • Keep climbing the stairs until you find another warp, enter it.
  • You will meet Stefan again, he will tell you a lil bit more.
  • Keep climbing and killing and enter the last warp portal, till you reach the final Boss.
  • During this fight, there will be zombies spawning, basically just keep attack Stefan, until he dies.
  • After killing him, you can leave the instance by entering the Rays of Light in the middle of the room.
  • Now you can talk again to Scientist Doyeon to re-open the instance.

Monsters

Monster Level HP Race /Element/Size Weakness Valuable Drop

Immortal Zombie Soldier (3476) 		160 450,694 Undead/Undead 1/Medium Holy ~

Sky Fortress Key Keeper (3478) 		160 405,694 Undead/Undead 3/Medium Holy 6960.webp Sky Fortress Key (6960)

Immortal Zombie Assault (3479) 		160 405,694 Undead/Undead 1/Medium Holy 28605.webp Vicious Mind Book [1] (28605)

13328.webp Vicious Mind Huuma Shuriken [1] (13328)

1800.webp Vicious Mind Fist [1] (1800)

1450.webp Vicious Mind Lance [1] (1450)

16041.webp Vicious Mind Mace [1] (16041)


Immortal Cursed Zombie (3480) 		160 405,694 Undead / Undead 3 / Medium Holy 18121.webp Vicious Mind Bow [1] (18121)

13128.webp Vicious Mind Revolver [1] (13128)

1600.webp Vicious Mind Rod [1] (1600)

2026.webp Vicious Mind Staff [1] (2026)

28107.webp Vicious Mind Two-Handed Axe [1] (28107)


Immortal Fortress Legio (3477) 		160 405,694 Demon / Undead 4 / Medium Holy 28706.webp Vicious Mind Dagger [1] (28706)

28008.webp Vicious Mind Katar [1] (28008)

13455.webp Vicious Mind Saber [1] (13455)

1400.webp Vicious Mind Spear [1] (1400)

21016.webp Vicious Mind Two-Handed Sword [1] (21016)


Immortal Nightmare Shado (3481) 		160 405,694 Demon/Dark 2/Large Holy 1900.webp Vicious Mind Violin [1] (1900)

Immortal Angry Shadow (3482) 		160 405,694 Demon/Dark 2/Large Holy 1996.webp Vicious Mind Wire [1] (1996)

Immortal Death Shadow (3483) 		160 405,694 Demon/Dark 2/Large Holy ~

Immortal Cursed Knight (3474) 		160 7,000,000 Formless/Dark 4/Large Holy 21018.webp Lindy Hop [2] (21018)

31024.webp Immortal Cursed Knight Card (31024)


Immortal Wind Ghost (3475) 		160 7,000,000 Demon/Wind 3/Medium Earth 2027.webp Sunflower Boy [2] (2027)

31025.webp Immortal Wind Ghost Card (31025)


Stephane.J.E.Wolf (3473) 		160 20,000,000 Undead/Undead 4/Large Holy 21018.webp Lindy Hop [2] (21018)

2027.webp Sunflower Boy [2] (2027)

28010.webp Juliette D Rachel [2] (28010)

31026.webp [MVP] Stephane Jack Earnest Wolf Card (31026)


Enchants

Vicious Mind Enchants

Weapon First Enchant Second Enchant Third Enchant

21016.webp Vicious Mind Two-Handed Sword [1] (21016)
1450.webp Vicious Mind Lance [1] (1450)
1400.webp Vicious Mind Spear [1] (1400)
28008.webp Vicious Mind Katar [1] (28008)
1800.webp Vicious Mind Fist [1] (1800)

  • Physical damage to element enemies +1~20%.
  • No weapon size penalty
  • Weapon cannot be broken in battle.
  • Weapon property: element
  • ATK +1~10%
  • Physical damage to race enemies +1~20%
  • Physical damage to boss enemies +1~20%
  • Physical damage to normal enemies +1~20%
  • Bypass 1~30% of DEF on race enemies
  • Bypass 1~30% of DEF on boss enemies
  • Bypass 1~30% of DEF on normal enemies
  • STR +3~10
  • AGI +3~10
  • LUK +3~10
  • ATK +1~50
  • CRIT +1~20
  • ASPD +1~5%
  • ASPD +1~5
  • Critical damage +1~20%

13328.webp Vicious Mind Huuma Shuriken [1] (13328)
28605.webp Vicious Mind Book [1] (28605)
28706.webp Vicious Mind Dagger [1] (28706)

  • Physical damage to element enemies +1~20%.
  • No weapon size penalty
  • Weapon property: element
  • ATK +1~10%
  • Physical damage to race enemies +1~20%
  • Physical damage to boss enemies +1~20%
  • Physical damage to normal enemies +1~20%
  • Bypass 1~30% of DEF on race enemies
  • Bypass 1~30% of DEF on boss enemies
  • Bypass 1~30% of DEF on normal enemies
  • STR +3~10
  • AGI +3~10
  • INT +3~10
  • ATK +1~50
  • MATK +1~50
  • ASPD +1~5%
  • ASPD +1~5
  • After cast delay -1~20%
  • Variable cast time -1~20%

28107.webp Vicious Mind Two-Handed Axe [1] (28107)
16041.webp Vicious Mind Mace [1] (16041)
13455.webp Vicious Mind Saber [1] (13455)

  • Physical damage to element enemies +1~20%.
  • No weapon size penalty
  • Weapon cannot be broken in battle.
  • Weapon property: element
  • ATK +1~10%
  • Physical damage to race enemies +1~20%
  • Physical damage to boss enemies +1~20%
  • Physical damage to normal enemies +1~20%
  • Bypass 1~30% of DEF on race enemies
  • Bypass 1~30% of DEF on boss enemies
  • Bypass 1~30% of DEF on normal enemies
  • STR +3~10
  • DEX +3~10
  • ATK +3~50
  • CRIT +1~20
  • ASPD +1~5
  • Critical damage +1~20%
  • Ranged damage +1~20%

1900.webp Vicious Mind Violin [1] (1900)
1996.webp Vicious Mind Wire [1] (1996)
13128.webp Vicious Mind Revolver [1] (13128)
18121.webp Vicious Mind Bow [1] (18121)

  • Physical damage to element enemies +1~20%.
  • No weapon size penalty
  • Weapon cannot be broken in battle.
  • ATK +1~10%
  • Physical damage to race enemies +1~20%
  • Physical damage to boss enemies +1~20%
  • Physical damage to normal enemies +1~20%
  • Bypass 1~30% of DEF on race enemies
  • Bypass 1~30% of DEF on boss enemies
  • Bypass 1~30% of DEF on normal enemies
  • AGI +3~10
  • DEX +3~10
  • LUK +3~10
  • ATK +1~50
  • CRIT +1~20
  • ASPD +1~5
  • Critical damage +1~20%
  • Ranged damage +1~20%

1600.webp Vicious Mind Rod [1] (1600)
2026.webp Vicious Mind Staff [1] (2026)

  • Magical damage to element enemies +1~20%.
  • Power of healing skills +1~20%
  • MATK +1~10%
  • Magical damage to race enemies +1~20%
  • Magical damage to boss enemies +1~20%
  • Magical damage to normal enemies +1~20%
  • Bypass 1~30% of MDEF on race enemies
  • Bypass 1~30% of MDEF on boss enemies
  • Bypass 1~30% of MDEF on normal enemies
  • DEX +3~10
  • INT +3~10
  • MATK +1~50
  • After cast delay -1~20%
  • Skill SP cost -1~10%
  • Variable cast time -1~20%
Race/Element Enchants
Enemy element's Weapon property element's Enemy race's
* Neutral * Water * Earth * Fire * Wind * Poison * Holy * Shadow * Ghost * Undead * Water * Earth * Fire * Wind * Shadow * Poison * Holy * Angel * Brute * Demi-Human * Demon * Dragon * Fish * Formless * Insect * Plant * Undead


Max value for X:

  • Atk/Matk + 50
  • Atk/Matk + 15%
  • Aspd + 5
  • Increases magical/physical damage on any property monsters/race targets by 20%.
  • Pierces 30% of DEF/MDEF on any race targets when performing a physical/magical attack.
  • Pierces 30% of DEF/MDEF on Normal/Boss protocol targets when performing a physical/magical attack.
  • Reduces the global delay of skills by 15%.
  • Increases long-ranged damage on targets by 20%.
  • Reduces SP cost of skills by 5%.
  • Stats + 10
  • Increases critical damage on targets by 20%.
  • Crit + 15
  • Increases the recovery rate of recovery skills by 20%.
  • Reduces variable casting time of skills by 20%.
instances/midgard/sky_fortress.txt · Last modified: 2026/05/13 23:00 by 127.0.0.1