Thunder Lord's Sigil
- Deal 5-15% of non-boss opponent's health as additional damage on Stun;
- 10-20% X-Ray/Fatal Blow attack damage boost;
- 20-150% Damage boost. Nightmare Tower only.
- 40-300% Max Health boost. Nightmare Tower only.
- [RAIDEN][SET] If this is equipped alongside Thunder Lord's Stormweaver, any DIAMOND Raiden gains a 40% chance to perform a Special Combo Ender dealing massive damage. If the last opponent is under 25% health, a Brutality is performed instead of the Special Combo Ender, ending the fight immediately.
- For each debuff removed by Dispel, gain 1 Strengthen buff. Strengthen buffs stack. (Unlocks at fusion level X)