There are five basic levels available in the Quen sign, and five levels of special attack (Student, Apprentice, Specialist, Expert, and Master). See the full Quen attribute tree here:

Special Attacks

Student

Stats
  • Assailant loses 5% of current Vitality
  • Right-click and hold to powerup Sign
Bronze talent Requires Bronze Talent

Apprentice

Stats
  • Assailant loses 10% of current Vitality
  • Right-click and hold to powerup Sign
  • Requires Student
Bronze talent Requires Bronze Talent

Specialist

Stats
  • Assailant loses 15% of current Vitality
  • Right-click and hold to powerup Sign
  • Requires Apprentice
Silver talent Requires Silver Talent

Expert

Stats
  • Assailant loses 20% of current Vitality
  • Right-click and hold to powerup Sign
  • Requires Specialist
Silver talent Requires Silver Talent

Master

Stats
  • Assailant loses 25% of current Vitality
  • Right-click and hold to powerup Sign
  • Requires Expert
Gold talent Requires Gold Talent

Basic Levels

Quen (level 1)

Stats
  • Generates damage-absorbing shield
  • Endurance Cost 15
Bronze talent Requires Bronze Talent

Quen (level 2)

Stats
  • Generates damage-absorbing shield
  • Damage Absorption +25%
  • Endurance Cost 15
  • Requires level 1 Intelligence
Bronze talent Requires Bronze Talent

Quen (level 3)

Stats
  • Generates damage-absorbing shield
  • Damage Absorption +50%
  • Endurance Cost 20
  • Requires level 2 Intelligence
Silver talent Requires Silver Talent

Quen (level 4)

Stats
  • Generates damage-absorbing shield
  • Damage Absorption +75%
  • Endurance Cost 20
  • Requires level 3 Intelligence
Silver talent Requires Silver Talent

Quen (level 5)

Stats
  • Generates damage-absorbing shield
  • Damage Absorption +100%
  • Endurance Cost 25
  • Requires level 4 Intelligence
Gold talent Requires Gold Talent
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