1. Strike from Shadows
    • +1/2/3/4/5/5% Critical Chance from Stealth
    • +0/0/0/0/0/20% Critical Damage from Stealth

  2. Hidden Dagger
    • +5/10/15/20/25% From Stealth Damage

  3. Sneak Attack
    • +100% Damage from stealth

  4. Tracery: Stealth Surprise Strike
    • + Surprise Strike Critical Chance
    • + Position Surprise Strike from Stealth

Are non of these actually needed for group content? They're mainly for solo 1shot everything?