|Race||Man'ari eredar (Demon)|
|Location||Chamber of Night, Vault of the Wardens|
- Blur of Shadows - Increases Dodge chance by 100% and can dodge attacks from behind. Succesfully[sic] dodging an attack causes a Nether Bolt to be fired at the enemy.
- Crushing Shadows - Knocks nearby enemies in the air, inflicting 6 Shadow damage every second.
- Crushing Shadows - Crushing enemies for 6 Shadow damage every second.
- Fel Annihilation - Inflicts massive Fire damage to enemies in front of Mephistos[sic].
- Portal Surge - Mephistos[sic] calls reinforcements from the Twisting Nether.
The subject of this section did not make it out of the beta stages.
- Freedom is but a hopeless dream.
- Impressive you have made it this far, demon hunters. Now, I will extinguish your souls like a candle's flame!
- Such arrogance.... To think you can stand against the Legion!
- You will never see the light of this world again.
- During the beta, his name was Mephistos.
- Bastillax is voiced by Marc Graue.
- Patch 7.0.3 (2016-07-19): Added.