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Decay Ekidnos (Japanese: 崩壊のエキドナ, Hōkai no Ekidona) are three quest exclusive enemies in Xenoblade Chronicles. They are members of the Ekidno family, and can be found on ledges on the Syrath Lighthouse on Hovering Reef 4 in the Eryth Sea. Three of them must be defeated for the quest Trouble at the Lighthouse. During this quest, they can only be fought at night. They drop Ekidno Jaw Gristles, five of which are needed for Getting Bigger!.



Art Attribute Multiplier Hits Range Effect Knockback Blowdown/Daze
Fury HornStatus--Circle around casterStrength Up
GorePhysical2.8 – 3.01--Yes (1)-
Paralyse Gasp IITalent (Status)--Frontal ArcParalysis--
Poison BreathEther1.3 – 1.51Frontal ArcPoison--


Break 100% Lock-On 0% Physical Def. ▼ 70% Agility ▼ 0%
Topple 100% Bind 70% Ether Def. ▼ 0% Aura Seal 0%
Daze 0% Paralysis 70% Strength ▼ 0% Arts Seal 70%
Sleep 0% Slow 0% Ether ▼ 0% Death 0%



Wood 0%
Silver 100%
Gold 0%

Wood chests will contain 1 or 2 items from the "Wood" table.
Silver chests will contain 2 items from the "Silver" table and 1 from the "Wood" table.
Gold chests will contain 2 items from the "Gold" table, and 1 from each of the "Silver" and "Wood" tables.


Ekidno Jaw Gristle 100%


Ekidno Crystals
Strength Up III / Fall Defence III 26.7%
Strength Up III / Bind III 26.7%
Dark Cannon 1 slot 8.3%
Moonlit Defender 1 slot 7%
Jack Guarder 2 slots 4.7%
Shell Leggings 1 slot 18.5%
Shell Armour 1 slot 8.2%


Note: Although items in Gold Chests are not dropped by this enemy, they can be obtained by using Riki's Yoink! ability.

Illunis Defender 2 slots 0%
Nightglow Staff 2 slots 0%
Illunis Defender 3 slots 0%
Unique Weapons
Thunderclap 0%
Dynastrar 0%
King Frog 0%
Soltnar Staff 0%
Unique Armours
Lattice Armour 0%
Lattice Leggings 0%
Lattice Boots 0%
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