Ark Blast is a Concurrence used if the player inputs two of each level of Quickenings. It deals damage to all enemies with a power of 175.
Ark Blast is Vaan's Burst Soul Break learned through the Orichalcum Dirk(XII). It instantly deals five ranged non-elemental attacks to one target and temporarily reduce their Magic and Defense by 40%, as well as granting Haste and Burst Mode. It is highly coveted as one of the most valuable Soul Breaks in the game.
As any Burst Soul Break, Ark Blast changes the Attack and Defend commands for Addle and Expose respectively:
-Addle deals physical non-elemental damage to one target and temporarily lower their Magic by 40%.
-Expose deals physical non-elemental damage to one target and temporarily lower their Defense by 40%.
Both commands, Addle and Expose are classified as Support abilities and both have reduced delay before hitting.
Ark blast requires one Soul Gauge to cast and requires 30'000 AP to master.