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From Pathfinder #147: Tomorrow Must Burn, which isn't enabled.

Scarlet Triad Sniper

CREATURE 11
Perception +23; low-light vision
Languages Common, Elven
Skills Acrobatics +22, Athletics +19, Stealth +23, Thievery +21
Str +4, Dex +5, Con +3, Int +1, Wis +4, Cha +0

AC 32; Fort +20, Ref +22, Will +21
HP 195
Backshot
Trigger A creature the sniper can see misses it with a ranged weapon Strike.

Effect The sniper attempts a ranged Strike against the triggering creature with a -2 penalty.

Speed 30 feet; swiftness
Melee Pick +22 (fatal d10, magical), Damage 1d6+10 piercing
Ranged Composite Longbow +23 (deadly d10, magical, reload 0, volley 30, range increment 100 feet), Damage 2d8+8 piercing
Rain of Arrows

The sniper fires one arrow at each creature they choose within a 15-foot burst. The center of the burst must be within 100 feet of the sniper, but can't be within 30 feet. The sniper makes each attack roll separately. All attacks count toward the sniper's multiple attack penalty, but the penalty increases only after all the attacks are made.

Sneak Attack

The scarlet triad sniper deals an additional 2d6 precision damage to Off-Guard creatures.

Swiftness

The sniper's movement doesn't trigger reactions.

Pathfinder #147: Tomorrow Must BurnOGL