Boost Barrel

Boost Barrel is an Aura Art in Xenoblade Chronicles X. It is a Multigun exclusive art, and it can be obtained after completing Yelv's final affinity mission. It reduces Secondary Cooldown, reduces Auto Attack cooldown and grants Potential Up to the user.


Class Rank Learned Weapon Type Range Effect Secondary Cooldown Tertiary Cooldown
- - Multigun Aura Self Reduces Secondary Cooldown; reduces auto-attack cooldown; Potential Up Aura tier +1
Effect time +20.0 s
Aura tier +2
Effect time +40.0 s
Level Effect duration Cooldown BP Cost
1 20.0 s 60.0 s -
2 22.0 s 50.4 s 6
3 24.0 s 45.6 s 18
4 26.0 s 40.8 s 54
5 28.0 s 36.0 s 108

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