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VakronSky Island

Boss notes for Normal and Hard, plus how not to wipe

Normal + Hard Expeditions Updated Nov 1, 2026

Before you go

Normal Hard
Item level 1,400 2,700
Enrage About 5 min 4 min
Revives Kibelisk respawns 3 per player

Level 45 and up to 5 players either way.

On the way in

  • Vakron’s Gaze stacks as you travel. At 3 stacks you’re stuck in thorns. Stand by a Fog Spiritstone to clear it.
  • Teammate stuck in thorns? Hit them to break them out.
  • No mounts between islands. Glide, ride the windstreams and stay together.

Tiere

  • Her poison aura hurts whoever’s next to you. Spread out.
  • Purple poison at everyone? Move together one way so the pools land in one tight pile.
  • Around 75% she floods the arena. Squeeze into the safe ring near her, then onto the flower to cleanse.
  • She leaps at people, then dashes at the tank. Don’t stand where she lands.

Thamon

  • Red glow: he heals from physical damage. Purple glow: he heals from magic. Stop hitting with that type until it fades.
  • Small circles turn you to stone. Move the moment they show up.
  • Then he slams a shockwave that crushes anyone stoned. Hit stuck teammates to free them, and jump the shockwave.

Getting to Vakron

After Thamon, fly out and grab the four elements: fire, water, earth and wind. Drop each one on its matching altar to open the wall. Dodge the spinning lasers, and bind at the Kibelisk before you head down.

Boulder Lord Vakron

Two things wipe groups on him: the thorn rings and the rock prison. The rings come around 65% HP and again around 35%.

Surging Thorn: three hops and a glide

you big blast: jump + glide
  1. The floor glows red. Rings are coming.
  2. Jump each of the three rings as it reaches you.
  3. Then a big blast. Wait for it, then jump and glide over.
  4. Land and get back on him.
The glowing red rock is your way out

Lodestone Prison

  1. He drags everyone to the middle and rocks pop up all around you.
  2. One rock glows red. Everyone hits that one, right away.
  3. Break it and get out before his cast ends. Keep hitting him instead and the party wipes.

Pulled into a ring of rocks?

Hit the red rock. The boss can wait.

More Vakron

Thorn mark

He marks someone. If it’s you, run away from the group. When it pops you’re stuck in thorns, along with anyone close by, and everyone else breaks you out.

Hard A close-range blast follows the thorns, so free them fast.

Watch the clock

He enrages about 5 minutes into the fight, so keep the damage up.

Hard Frenzy hits at 4 minutes, and each player only gets 3 revives.

Hard Same moves as Normal, just far less forgiving. Hits you’d shrug off on Normal will kill you, and Vakron’s missiles leave pools that last the whole fight.

What drops

  • Kill Tiere and Thamon on the way. Their loot gets added to Vakron’s cube.
  • Vakron armor set, Unyielding gear, the Wind Forest Ring from the mini-bosses, Balaur’s Essence and Amplify Stone Fragments.
  • Opening the cube costs 40 Odyle Energy.
  • Hard Vakron Ariel Fragments every clear. Trade 100 for a Daevanion Crystal: Ariel (up to 30 times), or 1 for 5 Enhance Stones.
  • Hard Philosopher’s Stone: Revelation can drop, and you can pick it as your guaranteed reward.
  • Hard Hero Artwork, more Kina, and every Unique crafting mat (Wrathful Mind, Will and Ego) can drop.

Double-check in game

  • Surging Thorn timing is disputed. The guide says wait for the big one, then jump and glide.
  • Hard's 2,700 item level, 4-minute frenzy and 3 revives are from the official patch notes.
  • The guaranteed-reward count is left out: 21 in Korean data, 14 on the in-game panel we saw.

Sources