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Dr. Cassius Leclemaine is an ex-Atlas scientist who once headed research at Atlas' Bio Dome facility.

Involvement

Tales From The Borderlands

Cassius is first encountered during the events of the third episode, Catch a Ride, where he has been living as a hermit, conducting his research in the otherwise abandoned Bio Dome facility. He is first noticed by Fiona as he attempts to sneak up behind Gortys. Initially Cassius denies knowledge of Gortys or Atlas, attempting to pass himself off as a mere squatter at the facility in order to get Fiona, Rhys, Sasha, Loader Bot and Athena to leave, but his stuttering method of lying does not fool anyone. Once he notices Vaughn paralyzed, strapped to Loader Bot's back, he offers assistance to restore him in a further attempt to convince the group to leave, before relenting and telling them how to get the Gortys upgrade stored within the facility. Whilst deactivating the storage's defenses, Sasha and Rhys learn that Cassius is indeed a former Atlas employee, and reveal this to Athena after the upgrade is obtained and the group have reunited in the main control room. Athena immediately becomes hostile towards Cassius, and depending on player choice, Athena either spares or attempts to kill him before she is attacked by Brick and Mordecai.

Cassius makes a minor appearance in Escape Plan Bravo. If the choice was made to spare Cassius, after Vallory has incapacitated the group, Kroger reveals that Cassius has taken Vaughn away from the carnage. If the choice was made to kill Cassius, he arrives with Kroger, holding Vaughn at gunpoint and bargains with Vallory to take Vaughn and leave him in peace, which Vallory accepts. He then never reappears in the story. Finally, if the choice was made to spare Cassius, he makes another, more substantial reappearance during The Vault of the Traveler as one of the potential recruits for the final battle against The Traveler.

Commander Lilith and the Fight for Sanctuary

Whilst exploring, Cassius stumbled upon Colonel Hector and his men sealed within an abandoned facility in Mt. Scarab, many of them dying of illness. Hector welcomed Cassius with open arms upon learning he was a scientist, and they worked together using Cassius's knowledge from his Bio Dome experiments to heal the men they could and create what they dubbed the "Paradise Gas." Cassius was under the belief that Hector was simply wanting to make Pandora a better place to live, oblivious to the fact that Hector planned to weaponize it and commit genocide to create his so-called paradise. Upon Vaughn and the Vault Hunters revealing that Hector had tricked him, Cassius began work on an antidote for the infection. However, unbeknownst to the Vault Hunters, Cassius himself was also heavily infected and had been hoping to cure himself in the process of fashioning the antidote using Mordecai's blood sample. When the blood sample is contaminated and can no longer be used, Cassius opens his containment chamber and asks the Vault Hunters to kill him to use his blood as a suitable sample. With him not being in full control of his own body, he attacks during this process, apologizing all the while until he is put down. Recordings he had created in case of this event transpiring then start playing, telling the Vault Hunter exactly how to fashion the antidote.

Appearances

Strategy

Main article: The Cost of Progress

Notes

  • Considering the dialogue between Vaughn and Cassius during the events of Commander Lilith and the Fight for Sanctuary are completely friendly, it appears highly likely that the canonical events of Tales From the Borderlands had Fiona attempt to talk Athena out of killing Cassius.
  • Cassius is the only loot source of the Antifection effervescent grenade mod.
  • Cassius features a modified drop rate for loot and drops a substantial amount upon defeat, which often results in multiple world drop legendary items and effervescent skins per kill, even during Normal Mode.
  • After completion of The Cost of Progress, Cassius can be repeatedly fought to acquire loot, however it is not possible to use the exit-only fast travel just outside his arena to do so, as the doorway separating them does not open. The fast travel for Mt. Scarab Research Center that appears on the fast travel list must be used, and Mt. Scarab must be traversed to reach him.

Gallery

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