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Although whether the Final Marcus should be considered a Superboss has been the subject of debate, for the purposes of this Wiki he has been included in the list.

Final Marcus (Japanese: 終世のマークス, Shūsei no Mākusu) is one of the five Superbosses in Xenoblade Chronicles. It is a Unique Monster and a Slobos found at level 100 the Three Sage Summit on Valak Mountain at night (clear or snowing). Unlike the other superbosses, it is immediately present in the area rather than appearing after events later in the game. There are two Gloria Slobos by his spawn location, although both they and Final Marcus can be lured away individually to a safer place for battle. The nearby Slobos will not join the battle unless they catch the party in their line of sight. The nearby, though comparatively low-leveled, Reef Nebulae may also join the battle if an ether attack is used while the party is at a low enough level or if hit with an attack that hits multiple targets. It can drop the Yellow Slobos Rock needed for Replica Monado 5.

Marcus' spawn location is nearby Avalanche Abaasy, and it may be possible for the party to fight both of them at once, provided both of their Spawn Time conditions are met.



Art Attribute Multiplier Hits Range Effect Knockback Blowdown/Daze
ThrustPhysical3.3 - 3.51Single-Yes-
Light of DemiseEther3.8 - 4.01Frontal ArcBind
Mountain Impact IXTalent (Physical)3.5 - 3.81SingleConfuseYes-
Strengthening Will ※Status--SelfStrength Up
Physical Defence Down
Iron Will ※Status--SelfStrength Down
Physical Protect

※ Single use only. The Final Marcus will use one of the two arts at the beginning of the battle.



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

※ Except under certain conditions
‡ No resistance during a chain attack



Wood 0%
Silver 0%
Gold 100%

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.


Yellow Slobos Rock 85%
Veritas Glyph 15%


Slobos Crystals
Chill Attack V / Spike V 50%
Chill Attack V / Spike Defence V 50%


Unique Weapons
Agape 7.4%
Chosen One 6.9%
Rigel Hand 6.1%
Alcor Staff 5.1%
Infinity 3.1%
Unique Armours
Glory Gear 13%
Glory Gauntlets 12.7%
Glory Boots 12.1%
Glory Leggings 6.9%
Glory Armour 2.8%
Advanced Art Books
Freezinate Riki 10.9%
Back Slash Shulk 7.3%
Sneaky Riki 3.9%
Electric Gutbuster Dunban 1.8%


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