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Spoiler alert

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.

Mk. VII Arek is one of the Superbosses in Xenoblade Chronicles 2. It is a Unique Monster and a member of the Sovereign family; it can be found at level 114 on Lv. 4, Megrez of the World Tree, accompanied by a Grandum Sovereign and Valta Sovereign, after the party reaches the First Low Orbit Station. Mk. VII Arek can summon Gerolf Sovereigns, who can in turn summon Familion Sovereigns. It can be sealed with a dark Blade Combo to prevent it. The three enemies spawn together when using the tombstone.


  • The enemy can guard attacks from any side.


Break 110% Smash 0%
Topple 0% Blowdown Immune
Launch 0% Knockback Immune


Trigger HP have been reduced below 50%.
Effects Ether increased by 30%.
Probability of 80% of evading ranged attacks.
Element Random


Art Type Element Hits Range Damage Ratio Reaction Effect
Auto-Attack Physical - 1 One Target 125 - -
Moonsault Sword Physical - 2 One Target 200 Knockback -
Enchant Sword Ether - 1 One Target 600 Reduces the time for Blade Combos.
Blade Jamming Ether - 1 Circle 100 Shackle Blade -
Berserk Code Status - - - - - Enrages allies.
Transfer Gate Summon - - - - - Summons two level 100 Gerolf Sovereign.
Blade Virus Ether Electric 1 Circle 100 Blade Affinity Down -


Name Type Rarity Rate
Sunlight Chip Core Chip Legendary (rarity 3) 9%
Auto-Balancer Accessory Legendary (rarity 3) 10%
Specials Lv 1 Plus V Aux Core Legendary (rarity 3) 8.4%
Helping Hand V Aux Core Legendary (rarity 3) 8.4%
Omega Drive Accessory Legendary (rarity 3) 4%
Rare Core Crystal Core Crystal Rare (rarity 2) 50%
Legendary Core Crystal Core Crystal Legendary (rarity 3) 10%

※ This enemy will drop all the items the first time it is defeated.