A Deadeye is extremely skilled with the bow, and can utilize it to damage single targets or even small groups.
Here is a brief rundown of the Deadeye skills:
Puncture: A magically imbued arrow attack that can travel through enemies, and damaging everyone in its' path.
Exploit Weakness: A debuffing attack that greatly reduces a target's arrow protection.
Explosive Arrow: An explosive arrow attack that will damage everyone around the area of impact.
Trueshot: A very powerful arrow