Aetus
Still chanting his druidic chant, Aetus moves faster than most humanoids, unleashing two arrows as he does.
Spoiler: OOC
With Zephyr Strike, Aetus has MV 45 so he pursues. He rolls two attacks, the first with advantage and Sharpshooter.
1st attack (1d20+4)[21] or (1d20+4)[18] or (1d20+4)[12] dmg (1d8+14)[19]
2nd attack (1d20+9)[26] dmg (1d8+4)[5]