Expert Sniper

You have spend hours sniping using your weapon and as such, have learned how to properly use it on long distances in a laying position:

• Increase your Dexterity by 1, to a maximum of 20.
• Once per turn you can add one more dice of your weapons damage, if you attack from at least a distance of 100ft from your target
• You have learned how to hide yourself in harsh environments. You can spend 10 minutes preparing a camouflage to hide yourself and while you remain motionless you have adv on your stealth check.