Unobtainable

Prior to 2.0 operation and flashpoint bosses provided epic enemy codex entries. However, because they are all now unobtainable, this resulted in over 150 missing entries in the Achievement: Epic Enemies portion of the codex.

[FLASHPOINT] Athiss

Prophet of Vodal | Prophet of Vodal

[FLASHPOINT] Boarding Party

Storm Squad Veterans

[FLASHPOINT] Cademimu

General Ortol

[FLASHPOINT] Colicoid War Game

Annihilator 6K-A2

[FLASHPOINT] Directive 7

Mentor | Mentor (Master)

[FLASHPOINT] Hammer Station

Battlelord Kreshan

[FLASHPOINT] Kaon Under Siege

Commander Lk'Graagth | Commander Lk'Graagth (Master)

[FLASHPOINT] Lost Island

Doctor Lorrick | Doctor Lorrick (Master)

[FLASHPOINT] Maelstrom Prison

Grand Moff Kilran | Grand Moff Kilran (Master)

[FLASHPOINT] Mandalorian Raiders

Mavrix Varad

[FLASHPOINT] Taral V

General Edikar | General Edikar (Master)

[FLASHPOINT] The Battle of Ilum

Darth Serevin | Darth Serevin (Master)

[FLASHPOINT] The Black Talon

Yadria Ban | Yadria Ban (Master)

[FLASHPOINT] The Esseles

Vokk | Vokk (Master)

[FLASHPOINT] The False Emperor

Darth Malgus | Dart Malgus (Master)

[FLASHPOINT] The Foundry

Revan | Revan (Master)

[FLASHPOINT] The Red Reaper

Darth Ikoral | Darth Ikoral (Master)

[OPERATION] Explosive Conflict

Colonel Vorgath (Master) | Colonel Vorgath (Story) | Colonel Vorgath (Veteran) | Denova (Timed Run) | Firebrand and Stormcaller Tanks (Master)

Firebrand and Stormcaller Tanks (Story) | Firebrand and Stormcaller Tanks (Veteran) | Survived Colonel Vorgath (Master) | Survived Colonel Vorgath (Story)

Survived Colonel Vorgath (Veteran) | Survived Firebrand and Stormcaller Tanks (Master) | Survived Firebrand and Stormcaller Tanks (Story)

Survived Firebrand and Stormcaller Tanks (Veteran) | Survived Warlord Kephess (Master) | Survived Warlord Kephess (Story) | Survived Warlord Kephess (Veteran)

Survived Zorn and Toth (Master) | Survived Zorn and Toth (Story) | Survived Zorn and Toth (Veteran) | Warlord Kephess (Master) | Warlord Kephess (Story)

Warlord Kephess (Veteran) | Zorn and Toth (Master) | Zorn and Toth (Story) | Zorn and Toth (Veteran)

[OPERATION] Karagga's Palace

Bonethrasher | Bonethrasher (Master Mode) | Bonethrasher (Veteran Mode) | Complete Hutt Hospitality in two hours on master mode | Foreman Crusher

Foreman Crusher (Master Mode) | Foreman Crusher (Veteran Mode) | G4-B3 Heavy Fabricator | G4-B3 Heavy Fabricator (Master Mode)

G4-B3 Heavy Fabricator (Veteran Mode) | Jarg and Sorno | Jarg and Sorno (Master Mode) | Jarg and Sorno (Veteran Mode) | Karagga the Unyielding

Karagga the Unyielding (Master Mode) | Karagga the Unyielding (Veteran Mode) | Survived Bonethrasher (Master Mode) | Survived Bonethrasher (Story Mode)

Survived Bonethrasher (Veteran Mode) | Survived Foreman Crusher (Master Mode) | Survived Foreman Crusher (Story Mode)

Survived Foreman Crusher (Veteran Mode) | Survived G4-B3 Heavy Fabricator (Master Mode) | Survived G4-B3 Heavy Fabricator (Story Mode)

Survived G4-B3 Heavy Fabricator (Veteran Mode) | Survived Jarg and Sorno (Master Mode) | Jarg and Sorno (Story Mode) | Survived Jarg and Sorno (Veteran Mode)

Survived Karagga the Unyielding (Master Mode) | Survived Karagga the Unyielding (Story Mode) | Survived Karagga the Unyielding (Veteran Mode)

[OPERATION] Scum and Villainy

Darvannis (Timed Run) | Dread Master Syrak (Master) | Dread Master Syrak (Story) | Dread Master Syrak (Veteran) | Olok the Shadow (Master)

Olok the Shadow (Story) | Olok the Shadow (Veteran) | The Four Warlords (Master) | The Four Warlords (Story) | The Four Warlords (Veteran)

The Sandstorm Juggernaut (Master) | The Sandstorm Juggernaut (Story) | The Sandstorm Juggernaut (Veteran) | Thrasher (Master) | Thrasher (Story)

Thrasher (Veteran) | Titan 6 (Master) | Titan 6 (Story) | Titan 6 (Veteran)

[OPERATION] Terror from Beyond

Asation Station (Timed Run) | Kephess the Undying (Master) | Kephess the Undying (Story) | Kephess the Undying (Veteran) | Operator IX (Master)

Operator IX (Story) | Operator IX (Veteran) | Survived Kephess the Undying (Master) | Survived Kephess the Undying (Story)

Survived Kephess the Undying (Veteran) | Survived Operator IX (Master) | Survived Operator IX (Story) | Survived Operator IX (Veteran)

Survived The Dread Guards (Master) | Survived The Dread Guards (Story) | Survived The Dread Guards (Veteran) | Survived the Terror from Beyond (Master)

Survived the Terror from Beyond (Story) | Survived the Terror from Beyond (Veteran) | Survived the Writhing Horror (Master) | Survived the Writhing Horror (Story)

Survived the Writhing Horror (Veteran) | Terror from Beyond (Master) | Terror from Beyond (Story) | Terror from Beyond (Veteran) | The Dread Guards (Master)

The Dread Guards (Story) | The Dread Guards (Veteran) | Writhing Horror (Master) | Writhing Horror (Story) | Writhing Horror (Veteran)

[OPERATION] The Eternity Vault

Ancient Pylons | Ancient Pylons (Master Mode) | Ancient Pylons (Veteran Mode) | Annihilation Droid XRR-3 | Annihilation Droid XRR-3 (Master Mode)

Soa (Master Mode) | Soa (Veteran Mode) | Survived Annihilation Droid XRR-3 (Master Mode) | Survived Annihilation Droid XRR-3 (Story Mode)

Survived Annihilation Droid XRR-3 (Veteran Mode) | Survived Gharj (Master Mode) | Survived Gharj (Story Mode) | Survived Gharj (Veteran Mode)

Survived Soa (Master Mode) | Survived Soa (Story Mode) | Survived Soa (Veteran Mode) | Survived the Ancient Pylons (Master Mode)

Survived the Ancient Pylons (Story Mode) | Survived the Ancient Pylons (Veteran Mode) | Survived the Infernal Council (Master Mode)

Survived the Infernal Council (Story Mode) | Survived the Infernal Council (Veteran Mode) | The Eternity Vault (Timed Run)