Emperor Calus

"Prove yourself worthy, and I will grant you the means to true power."

- Emperor Calus

Emperor Calus is the former Emperor of the Cabal Empire, who was usurped by Dominus Ghaul many years prior to the Red War.

Biography
"For centuries, I led the revels of my empire, and the stars themselves burnt sweet and clear. But in time the jealous and the tight-fisted rose up and sent me into exile."

- Emperor Calus

Thousands of years prior to Destiny, Calus ejected the military aristocracy known as the Praetorate from power. One of their members, The Consul, sought revenge, and plotted a conspiracy with Calus' closest followers. Despite Calus' popularity for his redistribution of Praetorate wealth and reforms of the Legions granting citizenship to the legionnaires, many leaders thought Calus was too decadent and not committed to war. At the head of this conspiracy was Dominus Ghaul, who succeeded in usurping him and ending his reign. Calus was confronted by a council of traitors, including his own daughter, and was deposed. In exile, Calus has been traveling the cosmos aboard The Leviathan, also known as "The World-Eater". In his exile, he sought revenge, exploring the "secret places" of the galaxy and "roar into nothing," claiming that the nothing answered back. He promised that whoever slew the conspirators would be given great wealth and glory.

{{Hide|title=Destiny 2 spoilers|

Return to Power
After the death of Ghaul, Calus immediately set to work on reclaiming the empire. He gave elements of the now leaderless Red Legion the chance to "join the loyalist regime," sending them on missions to collect geological data on Nessus. These transmissions are intercepted in the Adventure Invitation from the Emperor. Calus intended to convert the soil of the planet into "Royal Wine".

Calus extended an invitation to The Guardian to board his vessel for slaying Ghaul. The Guardians accept Calus' challenge and following a long journey through Calus' palace and defeating his loyalist army, the Guardians seemingly meet Calus in person in his throne room. Facing off against the exiled Cabal Emperor, the Guardians survive his strange powers and after dealing critical damage, they find that the Calus they are facing is really a robotic duplicate. Regardless, the Guardians succeed in destroying the robot. Before the machines destruction, Calus boasts about his power and claims to know the "real truth" about the galaxy. Nonetheless, he rewards the Guardians for completing his challenge and offers them a place by his side should they seek him out.

Traits
Calus is a very hedonistic and narcissistic individual, immersing himself in royal scenery that often depicts his own image. Calus is also a very overweight and inactive individual. He sent an automaton to face the Guardians instead of confronting them himself, only directly fighting them from a distance by pulling them into his psionic realm to face his avatar. It is unknown if Calus uses robot stand-ins because of cowardice or contempt for his challengers.

During his reign over the Cabal Empire, he abolished the Cabal Praetorate as he believed they abused their control of the Cabal Legions for their own benefit at the expense of the people's welfare. Before his exile, Calus also wanted to free those who were enslaved by the Cabal, the Psions chief among them, but was overthrown before he could complete the act.

Calus also has been imbued with potent psionic abilities by his Psion council, having the ability to pull individuals into an alternate dimension composed out of the sheer force of his psionic energy, similar to an Ascendant Realm. Calus also claims to have knowledge on the true origins and purpose of the Traveler, and to have encountered a far greater power during his travels.

Gameplay
Emperor Calus will initially be immune to damage, and will attack from afar with his Emperor's Gaze laser. He will summon an onslaught of Loyalists that must be killed, after which four unique Psions will appear on each of the four plates around the throne room. They each will each have a unique symbol above them: a War Beast, a chalice, a sun, or a pair of swords. These symbols need to be memorized for the next section. Kill these Psions and Calus will clap his hands twice to inflict the Mind's Eye debuff, teleporting all Guardians into his mindscape, where they will be met with a giant projection of his head.

There will be three Psionic charges that will teleport three players back to the throne room, while the remaining three are stuck inside. Those who remain inside will be sucked in by Calus' Boundless Consumption attack. Those who remain in the throne room will have to kill more adds, and the Psions from earlier will appear, with the symbols appearing above them. In the mindscape, Calus' projection will show a symbol on his forehead. Each of the three players will each see a different symbol. Whichever symbol has not been seen is the symbol whose Psion in the throne room needs to be killed. This will repeat a total of four times for each symbol that does not appear. Those being sucked in, meanwhile, with have to kill two different kinds of Psions: regular Psions and their projections. The regular Psions must be killed so that their ruptures cannot send players into the air, and the Psion projections must be killed so that Calus doesn't use his Mental Collapse attack. As soon as they are all killed, Calus' projection will unleash a Psionic Overload, where he will spew purple skulls from his mouth. This is a sign that Calus is charging up a Force of Will attack that can wipe the entire team. He will be shielded while doing so. Destroy the shield to stop the attack, while those inside will shoot down the skulls. Killing a skull grants a stack of the "Force of Will" buff, and these stacks are shared by the whole team. The more stacks the team carries, the more damage they can deal to Calus. After a while, Calus' projection will stop spewing Psionic Overload skulls, and three Psionic charges will appear that will teleport each player back into the throne room.

And thus, the damage phase begins. Everyone needs to step on the same Psion plate to deal damage. Since there are four plates, there are four chances to get in as much damage as possible. However, Calus will charge an Afterburn blast that can shut down the plate and kill everyone standing on it, thus causing players to jump to a new one. After losing a set portion of health, parts of his body will break off, revealing a machine. He will also gain new attacks in addition to his laser: an arm cannon and a meteor storm. As his health nears zero, he will charge up his Force of Will attack again. If Calus is not killed in time, the entire team is killed.}}

Gallery
 File:Calus.jpg|Calus's crest on the Cabal Booklet 

List of appearances

 * Destiny 2
 * Cabal Booklet