Feedback:User/Levil/Ranger Skills

Sorry for my bad English.If there is something I didn't explain clearly please help me with it :)

Expertise Skills
 Elite stance. "For 1...12...16 second[s], you attack 25% faster and your arrows move twice as fast. Expert's Dexterity renews when you successfully interrupt a skill."
 * Useful skill for skillful players.

Beast Mastery Skills
Slightly Changes : . - Compare it with Natural Healing. ': . ': . - Compare it with Scavenger Strike. : . - Barbed Spear and Maiming Spear combo used in Ranger/Paragon builds can be spammable.

Marksmanship Skills
 Bow Attack. "If Determined Shot hits, you strike for +5...17...20 damage. If Determined Shot fails to hit, your next 3 attack skills cannot be blocked."

Slightly Changes ': . ': . : . - Compare it with Savage Shot. : . Damage target foe and adjacent foes if blocked.

Wilderness Survival Skills
 Nature Ritual. "Create a level 1...8...10 Spirit. Chants, Shouts and Echos cost 1...2...2 lesser Energy and last 25% longer. This Spirit dies after 30...54...60 seconds."
 * Roaring Winds was too narrow that you can see no one use it. Change it to buff chant, shout and echo ways.

 Elite Skill. "For 6...18...25 seconds your attacks deal +9 damage for each condition on foe (maximum 25)."

Slightly Changes ': . ': . ': . 4...7...9 ': . ': . ': . ': . ': . : 24 seconds. : Unblockable if target suffers no condition. - Compare it with Crippling Shot.

No attribute Skills
 Elite Bow Attack. "Shoot an arrow that moves twice as fast. If Quick Shot hits, your next 5 arrows also moves twice as fast."
 * The after-cast makes Quick Shot not quick at all.It needs a buff.