The Aetherfont

Endwalker Dungeon Lv90 iLvl 605

A dungeon exploring an underwater cavern system near Thavnair. Players venture into the Aetherfont to confront sea creatures and electrical beasts that have made this place their home.

Lyngbakr

MechanicTypeDescription
Sonic BloopTankbusterHigh damage on tank; use cooldowns
UpsweepRaidwideAoE damage to all players
Tidal BreathCleaveAttack marker on entire frontal area; move behind boss
Body SlamAoECreates ice spikes throughout arena; Upsweep causes spikes to emit circle AoEs
FloodstideSpreadCircle attack markers follow all players; spread apart
TidalspoutStackStack marker on one player; unmarked players group up

Notes: After Body Slam, ice spikes remain on the field. When Upsweep is cast, these spikes create additional circle AoEs—maintain distance from spikes during Upsweep.

Arkas

MechanicTypeDescription
Ripper ClawTankbusterHigh damage on tank; use cooldowns
Battle CryRaidwideAoE damage to all players
Lightning LeapAoELarge circle AoE marker; forking lightning lines emerge from impact zone
Spinning ClawAoELarge circle AoE centered on boss, followed by straight lightning lines (wider than visual)
Lightning RampageAoEMultiple circle attacks with lightning lines; similar to Lightning Leap but more
Lightning ClawStackStack marker; group up, then move away from resulting lightning circle
Electric EruptionAoEPlaces three lightning circles in arena

Notes: Lightning attacks are wider than their visual indicators suggest. Give extra space when dodging. After Lightning Claw stack, move away from the resulting electrical field.

Octomammoth

MechanicTypeDescription
Tidal RoarRaidwideAoE damage to all players
OctostrokeCleaveTentacles appear in random locations and perform cone attacks
Saline SpitAoETargeted circle AoEs on players
TelekinesisAoEMoves objects that create AoE hazards
WallopTankbusterHigh damage on tank; use cooldowns
ClearoutKnockbackKnockback from boss; position to avoid hazards
BreathstrokeCleaveWide frontal cone breath attack

Notes: Watch for tentacle positions during Octostroke—they can appear anywhere and have varied cone directions. Position to avoid being knocked into hazards during Clearout.