Wikia

Sniper Training
Increases the critical strike chance of your Kill Shot ability by Y%, and while standing still for 6 sec, you gain Sniper Training increasing the damage done by your Steady Shot, Aimed Shot, Black Arrow and Explosive Shot by X% for 15 sec.
Usable by
Class	Hunter
Properties
Location	Survival, Tier 9
Affects	Steady Shot, Aimed Shot, Explosive Shot, Kill Shot, Black Arrow
Ranks	3
Requirements
Points required	40
Spec specific	Yes
Related buff
Sniper Training Damage done by your Steady Shot, Aimed Shot, Black Arrow and Explosive Shot increased by X%. Duration: 15 seconds

Sniper Training is a hunter talent in the Survival tree which increases Kill Shot's crit chance, and boosts other damage after the hunter stands still for a while.

Rank table

Rank	Shot damage	Kill Shot crit
1	2%	5%
2	4%	10%
3	6%	15%

Notes

After standing still for 6 sec, the hunter gets the Sniper Training buff, with the noted effects. This buff lasts 15 seconds, during which the hunter may move around without canceling the buff.

Patch changes

Hotfix (2009-04-21): "Sniper Training should no longer remove players from stealth. ^[1]"
Patch 3.1.0 (14-Apr-2009): Sniper Training has been changed to increase the critical strike chance of your Kill Shot ability by 5/10/15%, and while standing still for 6 sec., you gain Sniper Training increasing the damage done by your Steady Shot, Aimed Shot, Black Arrow and Explosive Shot by 2/4/6% Lasts 15 sec. (Previously increased damage and critical strike chance based on your range to the target.)
Patch 3.0.8 (2009-01-20): Now increases the damage of Aimed Shot by the correct amount.
/ Patch 3.0.2 (14-Oct-2008): Added.