Skills for Apprentice/Full Hunter

Bow Mastery (passive)
Increases the distance range attack power of the bow (ATK).
Skill Level 1, ATK +25 bow range +2     (Apprentice)
Skill Level 2, ATK +? Bow range +3     (Full)

Venom attack
Adds poison to any attack. Some enemies are more easily poisoned than others.
Skill Level 1, MP32, Four times damage     (Apprentice)
Skill Level 2, MP48, Six times damage     (Full)
Skill Level 3, MP64, Eight times damage     (Quest, Saterica, Level 110+)
Calculation of poison damage (Base INT + DEX) × (Skill Level × 2)
Equipment, skills that raise INT or DEX do not come into this calculation

Evasion
Improves your reaction time and AGI for a period of time
Skill Level 1, MP48, 3 minute time effect AGI +12     (Apprentice)
Skill Level 2, MP72, 4 minute time effect AGI +24     (Full)

Serum
Renders you immune to poison for a period of time; cures poison if you have it
Skill Level 1, MP64, 3 minute time effect     (Apprentice)
Skill Level 2, MP48, 4 minute time effect     (Full)

Hawkeye
Raises DEX and Critical damage
Skill Level 1, MP64, 3 minute time effect, DEX +10 & Critical Damage +10%     (Apprentice)
Skill Level 2, MP96, 4 minute time effect, DEX +15 & Critical Damage +15%     (Full)

Survival (passive)
Gain surviving skills. Raises natural HP recovery
Skill Level 1, +10 MP natural recovery +10 HP natural recovery     (Full)

Arrow Rain
Bow-only attack that deals damaged based on number of hits and attack range
Skill Level 1, MP48, (1 ~ 4HIT)     (Full)
Skill Level 2, MP64, (1 ~ 5HIT)     (Quest, Sofya, Level 90+)

Impetus
Renders you immune to paralysis for a period of time; cures paralysis if you have it
Skill Level 1, MP112, (3 minute time effect)     (Quest, Keyla, Level 100+)