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List of All Bosses | Echoes of Aincrad (SAO EoA)

Last Updated: July 30, 2026 at 8:45 AM
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List of All Bosses in Echoes of Aincrad

List of All Bosses

Our guide lists all the bosses in Sword Art Online: Echoes of Aincrad. Read more to learn the recommended levels, the quests where they appear, and strategies on how to beat them.

All Bosses
Sentry Golem
Sentry Golem
Related QuestPrologue
Recommended Level1
How to Beat・Its attacks can be blocked.
・Use the Reversal and Parry Slash during the fight.
Illfang the Kobold Lord.png
Illfang the Kobold Lord
Related QuestPrologue
Recommended Level1
How to Beat・Break Illfang's shield first using Crush Attacks.
・Watch for other kobolds joining the fight.
Snowcap Boar.png
Snowcap Boar
Related QuestIori's Request
Recommended Level3
How to Beat・This boss can freeze you, watch out for attacks that slow you down.
・When a body part glows blue, that means it's breakable. Hit it with a heavy attack!
Glenspore Grizzly.png
Glenspore Grizzly
Related QuestWithin the Shadows
Recommended Level7
How to Beat・Glowing claws mean Gienspore Grizzly is about to lunge and grab you, dodge it.
・Strong attacks can stun it. This gives your party an opening!
Dire Strife Wolf.png
Dire Strife Wolf
Related QuestThe red Fencer I
Recommended Level10
How to Beat・The Dire Strife Wolf can inflict Paralysis with its electric skills. Keep an eye on your status meter.
Wrathful Shrewman.png
Wrathful Shrewman
Related QuestThe red Fencer II
Recommended Level10
How to Beat・Its dark purple clouds can apply the Blinded status.
・Wrathful Shrewman can also roar to call in reinforcements.
Raging Boar
Raging Boar
Related QuestBeaten to the Punch
Recommended Level12
How to Beat・Reduce its HP and destroy all three body parts.
・Make good use of Iori's healing abilities.
Flowering Nepenthes.png
Flowering Nepenthes
Related QuestSecret Medicine of the Forest
Recommended Level13
How to Beat・ The smaller Nepenthes surround it, making it hard to get close, though they have low HP.
・Bring at least one Cleansing Crystal to avoid getting hit with the Sleeping status.
Shrewman Queen.png
Shrewman Queen
Related QuestDawning Fear
Recommended Level14
How to Beat・ The Shrewman Queen can create shockwaves with her voice, but you can dodge through them.
・She can also summon more Shrewmen to assist her in battle.
Scream Hornet.png
Scream Hornet
Related QuestOnward to Tolbana
Recommended Level15
How to Beat・Bring Antidotes along! This bug's poison hits hard.
Large Nepenthes.png
Large Nepenthes
Related QuestRaid Call
Recommended Level17
How to Beat・Stays above ground when moving, unlike other Nepenthes.
・Has heavy AoE attacks around itself.
Kobold Champion.png
Kobold Champion
Related QuestLabyrinth
Recommended Level20
How to Beat・ This fire-wielder is quick! Dodging and rolling work better than guarding.
・Burn damage adds up fast; keep an eye on your HP.
Thorncrown Mountain Spirit.png
Thorncrown Mountain Spirit
Related QuestGrip of Despair
Recommended Level20
How to Beat・This boss has two phases and will sprint at you!
・Hit it with consecutive attacks.
Ruin Kobold Chieftain.png
Ruin Kobold Chieftain
Related QuestProof of Mettle
Recommended Level23
How to Beat・Can leave afterimages to evade attacks. Time your dodge carefully!
・Enter a sort of "Rage" state when its eyes turn red.
Bulbous Bao.png
Bulbous Bao
Related QuestCliffside Marvel
Recommended Level30
How to Beat・It bounces with serious force and can transform into a spinning wheel of destruction.
・Wait for it to settle before going in for the attack!
Trampling Ox.png
Trampling Ox
Related QuestThe Black Swordsman I
Recommended Level50
How to Beat・The Trampling Ox boasts brute strength, and also enters a rage state.
・This boss uses its horns to deliver devastating blows. Keep out of its way when its charging.
Thousand Spears Spine
Thousand Spears Spine
Related QuestThe Black Swordsman II
Recommended Level50
How to Beat・Be alert and dodge the projectiles.
・Focus on breaking all its spines.
Troll Leader
Troll Leader
Related QuestOriginal Sin
Recommended Level50
How to Beat・Troll Leader attacks with its weapon and magic. Fog attacks can inflict Fatigue.
Cursed Shrewman
Cursed Shrewman
Related QuestTrees in the Sand
Recommended Level50
How to Beat・Watch out for the exploding firecrackers and detonating light orbs.
・This boss gains deadly projectiles during the second phase that inflict the Instant Death ailment.
Troll Ark Shaman
Troll Ark Shaman
Related QuestQue's Sanctuary
Recommended Level50
How to Beat・The fight with the Troll Ark Shaman is divided into three phases.
・Uses lingering toxic clouds to inflict different status effects.
Thunderhorn Ox
Thunderhorn Ox
Related QuestOnward to Taran
Recommended Level50
How to Beat・Avoid frontal attacks to easily evade its Volt Charge and rushing attack.
・Be wary of its horn swings and overhead smashes.
Storm Hornet
Storm Hornet
Related QuestThe Diva I
Recommended Level57
How to Beat・The Storm Hornet inherits many of the Scream Hornet's attacks.
・Can summon multiple massive tornadoes that tear through the arena.
Ruin Kobold King
Ruin Kobold King
Related QuestThe Diva II
Recommended Level60
How to Beat・The Ruin Kobold King uses ice and fire magic.
・Don't let the Ruin Kobold King's goons pile up.
Troll Fire Reaver
Troll Fire Reaver
Related QuestThe Diva II
Recommended Level60
How to Beat・Start by eliminating other trolls in the arena.
・The Troll Fire Reaver's attacks inflict Burn. Watch out for its strikes, smashes, and thrusts.
Grand Orbweaver
Grand Orbweaver
Related QuestCati's Sanctuary
Recommended Level60
How to Beat・The boss releases yellow-orange eggs. Destroy them before they hatch.
・During phase 2, when the eggs land, a toxic cloud is released around it.
Defender Golem
Defender Golem
Related QuestCati's Sanctuary
Recommended Level60
How to Beat・This boss will summon floating blue crystals around itself that act like shields.
・The golem can also summon orange orbs around its feet that move clockwise while shooting lasers.
Blood Wolf Leader
Blood Wolf Leader
Related QuestFounding of the Order
Recommended Level60
How to Beat・Defeat the Dire Strife Wolf and Thousand Spears Spine first.
・Hit it hard before its able to attack more, but do watch out for its large AoE damage.
Mountain Range Bao
Mountain Range Bao
Related QuestViolet Footsteps
Recommended Level60
How to Beat・Avoid its spin attacks.
・It can also release a cloud of blinding gas.
yrant Golem
Tyrant Golem
Related QuestLegend of the High Elves
Recommended Level60
How to Beat・Its usual attacks are lasers and its limbs.
Trembling Cow
Trembling Cow
Related QuestSeeking Hope
Recommended Level60
How to Beat・Avoid it when it spins.
・With its horns broken, wait until its wind barrier disappears.
Red Mordred
Red Mordred
Related QuestThe Final Trial
Recommended Level60
How to Beat・Highly aggressive and has fire attacks.
・Make sure to bring Ice Essence, Cleansing Crystals, and a Healing Partner.

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