Brian aims at the enemies, dealing P.DMG to 1 enemy by P.ATK *86%.
When self HP is lower than Max HP *20%, he gets 1 extra Concentration.

Passive Effect[Surprise Raid]'s damage is increased by 30%.

Brian arrests 1 enemy, dealing P.DMG by P.ATK *155%, applying [Warrant] and [Fear], granting self [Inescapable].
When self HP is lower than Max HP *40%, he gets 1 extra Concentration.
[Warrant]: During the effect, the target is marked by Brian. When the target receives fatal damage, and the attacker isn't Brian, the applied [Warrant] effect is randomly applied to one of the friendly units on either sides. The effect can only exist on one enemy at a time and can't be removed, lasting until the battle is over.
[Inescapable]: During its effect, it affects the final skill result of Brian's [Pulse Cannon]. Grants 1 stack after hitting a target of [Warrant] with [Surprise Raid]. The effect can't be removed and is stackable for up to 3 stacks, lasting until the battle is over.
[Fear]: During its effect, the character can't use any skill on the Caster, lasting for 2 rounds.

Passive Effect
[Forced Custody]'s damage is increased by 20%. [Fear] effect applied by [Forced Custody] will be replaced by [Chaos].
[Chaos]: During the effect, the character goes out of control and deals Normal Attack on random targets on the battlefield, including friendly ones for 1 round.

Based on Brian's [Inescapable] stacks, Brian deals different degree of attacks on 4 enemies, removing the enemies' [Warrant] and self [Inescapable].
Basic damage is P.DMG by P.ATK *150%.
When the enemies don't have [Warrant], the basic damage remains unchanged.
When self has 1 stack of [Inescapable], the target of [Warrant] receives extra basic damage by 0.25 times.
When self has 2 stacks of [Inescapable], [Warrant]'s target receives extra basic damage by 1 time, and the basic damage received by non-target is reduced by 0.25 times.
When self has 3 stacks of [Inescapable], [Warrant]'s target receives extra basic damage by 2 times, and the basic damage received by non-target is reduced by 0.5 times.

Passive Effect
[Impulse Cannon]'s damage is increased by 10%.
For every 1 Concentration spent, [Impulse Cannon]'s basic damage is increased by 5%.
Ignores the target's P.DEF by 100% when using [Impulse Cannon] with 5 Concentration.

In battle, every 1 of friendly unit with HP lower than Max HP increases Brian's skill damage by {0} (Basis {1} + Mastery {2}). When receiving fatal damage, Brian deals P.DMG to the enemy unit with the lowest HP percentage by P.ATK *900%. (Note: This effect is only effective once in a battle.) The damage is reduced with each round. Each round it is reduced by P.ATK *100% until it reaches 0.

Passive Effect
None