The Synergy BV-1 Brotherhood Tremor Sword was a vibroblade very similar to the ones used by Sith Lords from the Golden Age of the Sith. The oversized blade is constructed with a phrik alloy that makes it resistant to lightsabers. Due to its size it requires the use of two hands to wield.

• 1 slot allowing Aspects of type Melee Weapon Cosmetic
• 1 slot allowing Aspects of type Bladed Weapon Modification
• 1 slot allowing Upgrades of type Bladed Weapon Enhancement - I, Bladed Weapon Enhancement - II, Bladed Weapon Enhancement - III, or Bladed Weapon Enhancement - IV
• 1 slot allowing Upgrades of type Bladed Weapon Hilt Upgrade - I, Bladed Weapon Hilt Upgrade - II, Bladed Weapon Hilt Upgrade - III, or Bladed Weapon Hilt Upgrade - IV
• 1 slot allowing Aspects of type

• Phrik Alloy Construction: This [prototype item] has been constructed out of nearly indestructible phrik alloy. This phrik alloy allows The owner to use their [prototype item] to resist blaster and lightsaber attacks.