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The Aetherfont is a level 90 dungeon inFinal Fantasy 14. After the original portal to the Thirteenth below Alzadaal’s Legacy was destroyed, the Warrior of Light and allies seemed out of options, until Y’shtola devised a way to travel between the moons of the source and the Thirteenth, the home of Golbez and the Voidsent.
Related:Final Fantasy 14: Lapis Manalis Dungeon Guide
However, to power this portal, you’ll need massive amounts of Aether. To construct the portal and stop Golbez’s Voidsent invasion, you’ll need to travel to the Isle of Haam off the coast of Old Sharlayan, to The Aetherfont. Below, you can find every boss you’ll encounter in this dungeon, their attacks and mechanics, and how to beat them.
How To Unlock The Aetherfont
The Aetherfont can be unlocked through the following level 90 post-Endwalker quest.
Dungeon Walkthrough
Like most other dungeons, the Aetherfont can be undertaken withTrust NPCs; Thancred, Zero, Urianger, and Varshahn, in particular. By delving into the dungeon with Trusts, you’ll be able to go at your own pace. Plus, Trust NPCs arevery good at dodging mechanics, which can help immensely when learning each boss’s attacks for the first time.
Overall, the layout of this dungeon is very straightforward. Treasure chests can be found easily on the main path, and certain sections of the dungeon will be walled-off until the pack of monsters just before are dealt with, limiting how much you can explore at once.
Lyngbakr
The first boss of The Aetherfont is Lyngbakr. This dread beast of the seas' attacks and mechanics are detailed below.
Tidal Breath
AoE
Deals damage in ahalf-circle AoE to the front of the boss. Quickly move behind the boss to avoid taking damage.
Body Slam
AoE/Special
Deals damage to all party members, then summons several smallice spikesaround the arena.
Floodtide
AoE Markers
Targets all players with anAoE marker. Spread out from one another to avoid overlapping these AoEs.
Tidalspout
Stack Marker
Targets a random player with astack marker. Group upwith this player to spread out the damage of this attack.
Sonic Bloop
Tankbuster
Deals high damage to the Tank. Usedefensive cooldownsto mitigate this damage.
Lyngbakr will repeat these attacks until it is defeated. It will always useFloodtide, Tidalspout, and Tidal Breath in quick succession, so be ready to move accordingly to avoid these three attacks.
Arkas
The second boss of The Aetherfont is Arkas. This boss will use a number of high-damage attacks, so get ready to dodge. Arkas’s attacks and mechanics can be found below.
Lightning Leap
Arkas will jump to an area around the arena, dealing damage in acircle AoE. Then,lightning tendrils will spread out from the boss’s point of impact. Shortly after, these willexplode, dealing damage in the area.Move between the lightning tendrilsto avoid their explosion.
Ripper Claw
Deals high damage to the Tank. Usedefensive cooldownsto reduce Ripper Claw’s damage.
Spinning Claw
Deals damage in acircle AoE around the boss, then creates severallarge lightning tendrilsthat explode after a short delay in alarge line AoE. Watch where the tendrils spread and move accordingly to avoid their explosions.
Lightning Rampage
A powered-up version of Lightning Leap that Arkas will usefour times in a rowwhile the edge of the arena is covered in electrocution. Focus onmoving quickly between each circle AoE and lightning tendrilexplosion to avoid each attack as it comes.
Lightning Claw
Targets a random player with astack marker. Group up with the affected player to spread out the damage of this attack’s AoE.
Electric Eruption
Arkas targetsthree spots around the arenawith alightning AoE. Avoid these locations as you dodge its other attacks.
Arkas will repeat this series of attacks until it is defeated.Trust NPCs are especially useful for this fight, as they will always accurately avoid the Lightning Leap/Rampage AoEs and lightning tendril explosions. Following exactly where they move will prove a useful strategy for avoiding damage in this fight.
Octomammoth
The final boss of The Aetherfont is the Octomammoth. This giant octopus uses its tentacles to take control of the cramped arena, forcing you tostay on the movethroughout the fight. Its attacks and mechanics are detailed below.
Tidal Roar
Deals damage toall party members. The Healer should be ready to recover the party’s health.
Octostroke
Special/AoE
The Octomammoth willreposition its tentacles around the arena, then usecone and line-shaped AoEs in the direction they are facing. Move to a spot where there are no tentacles to avoid their attacks.
Vivid Eyes
A thinring-shaped AoE directly surrounding the boss. Move away to avoid taking damage.
Water Drop
Targets all players withAoE circle markers. This attackalways occurs during Vivid Eyes. Spread out from one another toavoid overlapping this AoEwhile also dodging the ring AoE of Vivid Eyes.
Saline Spit
The Octomammoth willtarget each of the circle platformsthat make up the arena with anAoE. Stand on thesections between each circleto avoid taking damage.
The boss willturn slightlybefore charging up alarge half-circle AoE in the direction it’s facing. Quickly move to the other side of the boss to avoid this attack.
Telekinesis
The boss will tether to three of theorange crystalsoutside of the arena, causing them totarget three of the platforms with an AoEattack. Find one of the two safe platforms and move accordingly to avoid this attack.
Breathstroke
AoE/Combo
Acombination of Octostroke and Tidal Breath. The Octomammoth willturn to face a different direction, dealing damage in alarge half-circle AoE, while its tentacles reposition and useline and half-circle AoE attacks. Quickly move behind the boss while avoiding the tentacle’s attacks to avoid taking damage from this combo.
The Octomammoth will repeat these attacks until it is defeated. Watch out for theVivid Eyes/Water DropandBreathstroke combos, as these can inflictseveral stacks of Vulnerability Upon you if you aren’t careful. If you’re playing with Trusts, follow exactly where they go, and you should make it through this dungeon with ease.
