- Burning Hatred - Buff, targets Self
- Infernal Blades - 2 hit Fire attack
- Overhand Strike - 3 Hit Melee Attack
- The Tetrabrach first appeared on the Halloween themed "Special Operations - All Hallows"
- Tetrabrach is armed with an Infernal Blade on it's left arm and an Infernal Axe on it's right arm.
- This Demon shares the type of the Harpe and Incascia Demons.
- This enemy also appears in Grim Reaper's Summon Demon Attack.