Cor Leonis Cor Leonis is a guest character in " Final Fantasy XV " , who also appears in Episode Gladiolus DLC . Cor is one of the three best fighters in the Kingdom of Lucis . As such , he is known as the " Immortal Shogun " to many and is known as the " Marshal " by Noctis and his group due to his status in the Crownsguard , the military unit that protects Insomnia and the Citadel , and thus in turn the royal family . Throughout his life , Cor survived countless battles , earning him the moniker " Cor , The Immortal " . He dedicates his life to serving Lucis . Profile . Appearance . Cor is a middle - aged man with short , brown hair . He has light blue eyes and wears a black , collared jacket with skull - shaped buttons . Cor wears a black , skull - print shirt , black trousers , and black boots with red soles . Personality . Cor is a stubborn , stern , no - nonsense military man who has sworn loyalty to King Regis and his country . He is strict with Prince Noctis and his friends , and while he does not always see eye - to - eye with them , he is duty - bound to watch over them . He is calm when dealing with Noctis ' s wayward personality , offering him advice . When he was young , Cor is said to have been reckless and overconfident in his fighting skills . He knows he isn ' t going to be with Noctis for long due to the orders from Regis as to the Crownsguard ' s new purpose , and warns him not to get too comfortable with the idea of having him around . Cor is implied to detest his moniker as the Immortal , seeing it as a reminder that he has outlived the bloodline he swore to protect . He remains duty bound to protect Noctis . This is shown if the player takes too long to battle the MA - X boss , he will instruct Ignis to take Noctis and flee . Story . Early life . Cor grew up in an ordinary , humble home in the Crown City and has accumulated abundant combat experience going back to his youth . He joined the Crownsguard at age 13 , and became King Mors ' s bodyguard at age 15 , the youngest ever for the position . Cor is hinted to be a prodigy , as he accompanied Regis Lucis Caelum on his trip of defending the Lucian front lines at the age of 15 . Cor has served a similar role to Regis that Ignis serves to Noctis , as he often drove Regis around . Regis had fought alongside Cid Sophiar , Clarus Amicitia , Cor Leonis and Weskham Armaugh on their trip to Accordo . Due to the defeat of the Lucis - Accordo allied forces , the Niflheim army had invaded the three regions of Leide , Duscae , and Cleigne , where they began establishing bases followed by a period of peace . Lucis challenged the empire but were pushed back . Regis , as the Lucian prince , had traveled to Accordo with a select few to seek the restoration of an allied force , but was forced to withdraw to the Crown City due to the Lucian army ' s defeat . The range of the Wall was pulled back to Insomnia ' s ramparts to maintain the strength to resist the empire ' s invasion efforts . At some point on his youth , Cor challenged Gilgamesh in the ruins that were discovered in Lucian territory . Though many took on Gilgamesh ' s trial , Cor was the only one to have survived , earning him the moniker " the Immortal " . The experience to losing to Gilgamesh despite having managed to chop off his arm humbled Cor , and he became a more careful soldier as he continued serve the Crownsguard . Gilgamesh kept Cor ' s katana , the Genji Blade , as a trophy of their meeting . " Final Fantasy XV Prologue Parting Ways " . At the Crownsguard ' s training hall , Clarus Amicitia tells Gladiolus , his son , about the security measures in place during the signing ceremony of the treaty between Lucis and Niflheim . Cor is assigned on external patrol that day but only the bare minimum of the Crownsguard will be on duty , as the Citadel will be left to the Kingsglaive . The peace has brought along many changes , including the role of the Crownsguard whose new place will be with the people rather than the king . Cor arrives with Prompto Argentum who has arrived for his Crownsguard uniform . Gladiolus and Prompto leave , and the atmosphere becomes solemn . Cor is unhappy the Crownsguard has been excluded from everything related to the signing , and Clarus reminds him that the new orders are for the Crownsguard to protect the people of Lucis , and says Kingsglaive are is the only ones who can fight the Empire . " Final Fantasy XV " . After the fall of Lucis ' s crown city , Noctis gets a call from Cor who tells Noctis for him and his group to meet him at Hammerhead . Cor confirms the news that the king has perished to a shocked Noctis . At Hammerhead Cid tells Noctis Cor has gone to the Royal Tomb in the local Leide area . Noctis finds Cor there , who explains Noctis his next mission of collecting the weapons of the past Lucian kings to gain the power to reclaim his throne . Noctis finds it difficult to concentrate on this new objective in the light of the recent events , but Cor explains the reasons Regis had sent Noctis away from the city and directs him to the next tomb . After Noctis collects his second weapon , Cor calls him and tells him of their plan to demolish a base that the Niflheim Empire is building to block passage to Duscae . Noctis meets with Cor outside the base , and while Noctis ' s friends go off to create a diversion , Noctis and Cor infiltrate the base together and take out its magitek forces . After the road to Duscae is open , Cor is satisfied that Noctis is strong enough to continue on his mission without his help , and departs . He continues to follow the orders from the late king of helping the people of Lucis , and co - operates with the local hunters and enlists their help finding the lost tombs . At some point , he had to put his tomb - hunting on hold to help the hunters with troublesome monsters . As depicted in " Final Fantasy XV Episode Gladiolus " , Gladiolus calls Cor to partake in Gilgamesh ' s trial . Cor accompanies Gladiolus to the ruins , and supports him although he doesn ' t take part in the trials themselves . Cor tells Gladiolus about himself and how he braved the ruins thirty years ago when he was much younger and more reckless than Gladiolus . When he had been forced to flee the trial Cor had realized that he was about to throw his life away in return of nothing . Gladiolus defeats Gilgamesh in battle and receives Cor ' s sword from him as reward , Gilgamesh assuring him that Cor would no longer care who had it . As they leave the ruins , Gladiolus indirectly passes on the praise Gilgamesh had given Cor . At Cape Caem , Cor asks Noctis ' s forgiveness for not having been able to prevent the attack on King Regis , but Noctis knows it was something no one could have helped . Cor is among the people to bid Noctis ' s party farewell as they depart for Altissia , and later watches the broadcast of Lady Lunafreya ' s speech on television . Noctis later seeks out a Royal Tomb in imperial territory due to having learned of it from Cor . During Noctis ' s ten - year slumber in the Crystal , Cor becomes a daemon hunter along with Iris . Gameplay . Guest party member . Cor joins as a guest party member in Chapter 2 for the first Royal Tomb and for the imperial base at the area . He again joins as a guest in Episode Gladiolus where he doesn ' t partake in boss battles . Cor is Level 52 . Due to his high level , the player can take advantage of him to hunt powerful monsters , in the area of the first and second tomb . Cor fights with katana and deals heavy damage . His primary arm is Kotetsu and his secondary arm is Kikuichimonji . His accessories are Carbon Bangle , Niella Bracelet and Protective Amulet . His attire is Crownsguard Fatigues . Cor can coordinate his attacks with Noctis when he parries attacks and attacks with him nearby . When performing a link - strike , he will lend Noctis his katana . Noctis slashes down with the katana and his own sword before returning the katana to Cor . In " Episode Gladiolus " he performs link - strikes with Gladiolus , and doing it five times earns the Master and Pupil achievement / trophy . Cor ' s Technique , Lion ' s Roar , has him perform a powerful upward drawn slash that cuts a vertical wide shockwave that moves in a line . It costs 1 tech bar . Like other guest characters , Cor ' s equipment cannot be changed , but the player can view his gear from the menu . Boss . Cor is fought as the final trial in Episode Gladiolus . Defeating him yields a hidden trophy , Transcendence . Creation and development . Cor ' s clothes were designed by Hiromu Takahara , creative director of the fashion brand Roen . When the game was originally envisioned as " Final Fantasy Versus XIII " , Cor was imagined as a tragic figure hinted in pre - release interview reveals to befall great misfortune . He was said to be 42 years old , which in Japanese superstition is considered an age where men are bound for a tumultuous and unlucky year . In the final game Cor is 45 years old . The age change may be due to timeline continuity regarding Cor having accompanied Regis on his trip thirty years ago ; if Cor was 42 , he ' d have been only 12 for the trip with Regis . Cor was the fifth permanent party member in " Final Fantasy Versus XIII " . Cor could be fully controllable like other the party members , but when " Versus XIII " became " Final Fantasy XV " during development , Cor ' s role was reduced and became a mentor - like figure to the party in the final game . As a character , he ' s relatively the same , and only his position and presentation was changed . Voice . Cor is voiced by Hiroki Tōchi in the Japanese version , who had previously voiced Noctis ' s chauffeur before being recast . He shares his Japanese voice actor with Yaag Rosch from " Final Fantasy XIII " and Zhuyu Voghfau Byot from " Final Fantasy Type - 0 " . In the English version of " Final Fantasy XV " , Cor is voiced by Matthew Mercer . He shares his English voice actor with Trey from " Final Fantasy Type - 0 HD " .