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The future doesn't belong to you!

For those who have not completed games in the Xenoblade Chronicles series, this page contains spoilers regarding the plot. Discretion is advised.

The Mysterious Telethia (Japanese: 謎のテレシア, Nazo no Tereshia) is a quest exclusive boss in Xenoblade Chronicles. It is a Gigas-type member of the Telethia family, and appears at level 80 near the Lakeside in Makna Forest during the Melancholy Tyrea Surprise Quest. It must be defeated to complete this quest. At the end of the battle, it is revealed to be Yumea.



Art Attribute Multiplier Hits Range Effect Knockback Blowdown/Daze
Super Nova VIITalent (Ether)1.0 – 1.254Frontal ArcBind--
Ultimate Cannon IXTalent (Ether)3.0 – 3.21Frontal Line-Yes (1)-
Soul ReadStatus--SelfPhysical Evasion Up--
Talent AbsorbStatus--SingleTalent Absorb--
Sleep SpinPhysical2.3 – 2.51Frontal ArcSleep--
Sleep BulletEther2.05 – 2.251SingleSleep--


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


Note: This enemy drops no chests, and the items are also impossible to steal through Yoink! because the enemy displays 100% resistance to item stealing.


Wood 0%
Silver 0%
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.


Telethia Crystals
First Attack Plus V / Auto-Heal Up V 0%
First Attack Plus V / Topple Resist V 0%
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