Who can help me answer the assassin's question.

thank you very much
1.Do elemental claw assassins have more damage than physical claw assassins?
2.Is this
Twin Terrors
Twin Terrors
Cestus (Sacred)
One-Hand Damage: (100 - 174) to (164 - 260)
(Assassin Only)
Required Level: 100
Required Dexterity: 349
Item Level: 105
Dexterity Damage Bonus: (0.13 per Dexterity)%
While Dual Wielding This Weapon:
+100% Noctule Projectiles
Adds (10 to 60)-(70 to 140) Damage
5% Life stolen per Hit
+(120 to 180)% Enhanced Damage
Elemental Resists +(10 to 25)%
Socketed (3)
weapon very powerful? Under what circumstances or to what boss role?