Expedition
Vakron Sky Island
Vakron Sky Island is an Expedition dungeon for 2–5 players with 3 modes (Exploration, Conquest, Conquest [Hard]). Entry needs item level 1,400–2,500. Entry from character level 45 (the entrance table lists 99 for some modes, above the level cap of 45). Bosses: Tiere, Thamon and Vakron. 14 other kinds of monster live inside. Rewards: 7 a week (refilled on Wednesday). Rewards come from the Odyle Energy Cube: 40 energy a cube, a guaranteed reward after 3–28 cubes.
An island in Etheria under the rule of Boulder Lord Vakron and guarded by his spirits. This island became the stronghold of Vakron after he crossed into Atreia to punish the spirits of Atreia who refused the call of the Spirit Realm. Once an ordinary floating island, it now exudes a mystical aura and teems with empowered flora and mutated creatures shaped by the energy of the Spirit Realm.
Entry and limits
Party size and modes from the Dungeon table; entry levels from MapEntrance (and PartyDungeonLevel); weekly counts from ContentsTicket; reward cubes from RewardOdEnergyCube.
| Mode | Players | Level | Item level | Energy / cube | Guaranteed after | Rewards per week |
|---|---|---|---|---|---|---|
| Exploration | 2–5 | 45 | 1,400 | 40 | 3 cubes | 7 a weekrefilled on Wednesday |
| Conquest[Conquest/Transcendence] Remaining Unobtained Cube Count | 2–5 | 45 | 1,400 | 40 | 21 cubes | 14 a week2 a day, holds up to 14 |
| Conquest [Hard][Conquest/Transcendence] Remaining Unobtained Cube Count | 2–5 | 99above the cap | 2,500 | 40 | 28 cubes | 14 a week2 a day, holds up to 14 |
Level 99 is what the client's entrance table (MapEntrance) lists, above the current level cap of 45; the files don't say what opens these modes.
Bosses
Hero and Legend monsters of this dungeon: from their internal names in the game's NPC table and from the instance maps' spawn lists.
Guaranteed reward
The Odyle Energy Cube (RewardOdEnergyCube): each cube opened counts toward the game's guaranteed reward (“Guaranteed reward available after meeting condensed cube energy conditions”). Days are our calculation: cubes × energy per cube ÷ 120 energy a day (15 every 3 hours), less what a full bar of 560 already holds.
Odyle Energy: 120 a day, so 21 cubes a week at 40; it holds up to 560 (840 with the game's subscription).
Rewards per clear
Chance per clear = 1 − Π(1 − chance of each chest and boss table), every table opened once per clear; avg. clears = 1 ÷ chance; weeks use the mode's weekly reward count n: a week succeeds with q = 1 − (1 − chance)ⁿ, avg. weeks = 1 ÷ q, weeks for 90% = ln(0.1) ÷ ln(1 − q), rounded up.
Exploration66 items · Mid-boss 1, Mid-boss 2, Final boss · 7 a week
Conquest73 items · Mid-boss 1, Mid-boss 2, Final boss · 14 a week
Conquest [Hard]75 items · Mid-boss 1, Mid-boss 2, Final boss · 14 a week
Monsters in Vakron Sky Island
From the instance maps' spawn lists (MapData): 14 kinds and 399 spawn points besides the bosses; per mode Exploration 15 kinds / 248 points, Conquest 17 kinds / 402 points, Conquest [Hard] 17 kinds / 402 points. Levels are the variants placed here.
Earth SpiritLv 54–72 · Elite · Natura86 spawn pointsEnraged Rock SpiritLv 54–72 · Elite · Natura71 spawn points
Island Guardian RangerLv 54–72 · Elite · Natura38 spawn points
Corrupted FairyLv 54–72 · Elite · Natura35 spawn points
Giant HoneybeeLv 54–72 · Elite · Fera35 spawn pointsSweet Poison FlowerLv 54–72 · Elite · Natura30 spawn pointsRock SpiritLv 54–72 · Elite · Natura25 spawn points
Fog SpiritstoneLv 54–72 · Elite · Varian25 spawn pointsFloating TourmalineLv 54 · Elite · Varian18 spawn points
Forest CoradonLv 54–72 · Elite · Fera12 spawn points
Eroded KalgolemLv 54–72 · Elite · Varian9 spawn pointsFerocious Queen BeeLv 54–72 · Elite · Fera8 spawn pointsEnraged Earth SpiritLv 54–72 · Elite · Natura6 spawn points
Odyle Stone SpiritLv 54–72 · Elite · Natura1 spawn pointAchievements
Journal achievements that ask for this dungeon (Achievement.ObjValues).
- ★Vakron Sky Island Exploration Clear ICommon · Clear Vakron Sky Island Exploration 1 time
- ★Vakron Sky Island Conquest Clear ICommon · Clear Vakron Sky Island Conquest on Normal 1 time
- ★Vakron Sky Island Exploration Speedrun ICommon · Clear Vakron Sky Island Exploration within 20 minutes
- ★Vakron Sky Island Exploration Speedrun ICommon · Clear Vakron Sky Island Exploration within 20 minutes
- ★Vakron Sky Island Conquest Speedrun ICommon · Clear Vakron Sky Island Conquest on Normal within 20 minutes
- ★Vakron Sky Island Conquest Speedrun ICommon · Clear Vakron Sky Island Conquest on Normal within 20 minutes
- ★Vakron Sky Island Conquest Speedrun ICommon · Clear Vakron Sky Island Conquest on Normal within 20 minutes
- ★Vakron Sky Island Exploration Perfect ClearCommon · Clear Vakron Sky Island Exploration without dying
- ★Vakron Sky Island Conquest Perfect ClearCommon · Clear Vakron Sky Island Conquest on Normal without dying
- ★Vakron Sky Island Exploration Solo ClearCommon · Clear Vakron Sky Island Exploration solo
- ★Vakron Sky Island Conquest Solo ClearCommon · Clear Vakron Sky Island Conquest on Normal solo
More Expedition dungeons
Krao CaveExplorationConquestConquest [Hard]1–5 players · 7 a week · 3 bosses
Urugugu CanyonExplorationConquestConquest [Hard]2–5 players · 7 a week · 3 bosses
Fire TempleExplorationConquestConquest [Hard]1–5 players · 7 a week · 4 bosses
DraupnirExplorationConquestConquest [Hard]1–5 players · 7 a week · 4 bosses
Dying Dramata's NestExplorationConquestConquest [Hard]2–5 players · 7 a week · 4 bosses
Ferocious Horn DenExplorationConquestConquest [Hard]1–5 players · 7 a week · 4 bossesVakron Sky Island FAQ
What level do you need for Vakron Sky Island?
Item level 1,400–2,500 depending on the mode. Entry from character level 45 (the entrance table lists 99 for some modes, above the level cap of 45).
Who are the bosses of Vakron Sky Island?
Tiere (level 54–86), Thamon (level 54–86) and Vakron (level 54–86).
What monsters are in Vakron Sky Island?
14 kinds besides the bosses, 399 spawn points in the instance maps; the most common are Earth Spirit, Enraged Rock Spirit and Island Guardian Ranger.
What does Vakron Sky Island drop?
Per clear of Exploration, the likeliest are Enhance Stone (100%), Kina (Bound) (100%) and Silentium (Bound) (100%).
How many players can enter Vakron Sky Island?
2–5 players in every mode.
How do Vakron Sky Island rewards work?
Defeated bosses fill an Odyle Energy Cube; opening it costs 40 Odyle Energy, which refills 15 every 3 hours (120 a day). After 3–28 cubes the game gives a guaranteed reward.
Data: client 2.0.6.0 (Steam build 25767555, 2026-10-07). Reward chances are the game's table values (100% = 100,000,000); weeks assume every weekly reward claim is used. All dungeons