Knights of the Round ( summon ) Knights of the Round , also known as Knights of Round , is a recurring summon in the series . Appearances . " Final Fantasy VII " . Knights of the Round is the most powerful Summon Materia . It can be obtained from Round Island , a hidden island in the northeast of the map , which can only be accessed with a gold chocobo , or as part of the Master Materia set received from the Kalm traveler after defeating Emerald Weapon . When summoned , thirteen medieval knights appear and slash the enemy party . Obtaining the Knights of Round Materia gains the player the Knights of the Round achievement in the PC version re - release and the Roundtable Destruction trophy in the PlayStation 4 release . The attack is called Ultimate End and strikes the enemy party multiple times . The knights themselves each attack with different weapons and spells : Although not stated in the game , the final knight is King Arthur and he has a grander entrance and attack . This particular knight was released as a figure as part of the first Final Fantasy Creatures set with the given name of Arthur . The next - to - last two knights should be Gawain and Lancelot , since it ' s believed that Gawain wielded an axe and Lancelot a sword , the Arondight . Pairing it with a Steal As Well Materia will allow for 13 attempts at stealing from the enemy . Knights of the Round is the only Summon Materia that will not work with Quadra Magic , regardless of whether it is linked to the specific Knights of the Round Materia or to the Master Summon Materia , although there is a cumbersome way around this : if the player equips Magic Counter with Master Summon , and Quadra Magic with another Master Summon , there is a small ( less than 1 % ) chance to counterattack with four Knights of the Round attacks . Knights of the Round is a series of 13 individual attacks hitting all enemies with damage that ignores target ' s defensive stats each time at the cost of 250 MP . At its maximum , Knights of Round can do up to 129 , 987 damage to a single target . It takes one use of Knights of the Round to destroy most enemies . The only exceptions are the Weapons , Emerald and Ruby , Safer∙Sephiroth and chocobos . Knights of the Round ' s spell power is equal to 5x the base magic damage . " Final Fantasy XIV " . Knights of the Round appear as the final boss of " " in the form of Thordan VII and the Heavens ' Ward using the power of Nidhogg ' s eye to assume the form of King Thordan and his Knights Twelve . The Knights Twelve wear armor and use abilities similar to those seen in the " Final Fantasy VII " summon . While King Thordan is the main enemy in the encounter , he uses an attack called Knights of the Round to summon the other knights ( who then use one of their own moves ) throughout the fight and uses Ultimate End as a last ditch attack towards the end . In addition , Sers Adelphel , Grinnaux , and Charibert , are fought as individual bosses within the Vault instanced dungeon . In the Minstrel Ballad version of the fight , Thordan uses Knights of the Round in the last phase several times , calling different knights to his aid each time . " Final Fantasy XV " . The Knights of the Round appear in the " Final Fantasy XV Universe " as the spirits of former kings of Lucis . They reside within the Ring of the Lucii , passing on their powers and knowledge to new kings that inherit the ring , or to whoever they deem worthy of wearing it . According to the " Final Fantasy XV Scenario Ultimania " , the statues were created 2000 years ago to serve as coffins to each hold the soul of a dead king . From these coffins , the kings would await the coming of the " Chosen King . " The statues were also intended to serve as the Wall that protects the kingdom of Lucis . In " " , Nyx Ulric wears the ring and beseeches the kings of old to lend him their powers so that he may defeat Glauca . The kings agree in exchange for his life . The kings aid Nyx by activating the Old Wall , giant statues that come to life when possessed by the spirit of a king , which fight the giant daemons that Niflheim has set loose on Insomnia . In " Final Fantasy XV " , Noctis travels across the world seeking the Royal Arms that belonged to his ancestors , each possessing the power of one of the kings . During Noctis ' s final battle with Ardyn Izunia , the kings witness their fight beneath the Citadel . Noctis sits on the throne and summons the kings , who one by one fuse with Noctis and are absorbed by the ring , which kills him . The spirit of his father Regis delivers the final blow . In the afterlife , the kings join Noctis in destroying Ardyn ' s corrupted spirit , ending the Starscourge and restoring the light to Eos . " Final Fantasy Type - 0 " . In the official novel version , the Knights of the Round appeared as a powerful Eidolon instead of Alexander in the game . They are thirteen 30 - meter tall warriors in red armor summoned by Kurasame , who has become a l ' Cie soon after Caetuna died earlier in the story . " Theatrhythm Final Fantasy Curtain Call " . The Knights of the Round appear as a summon . At the end of the Feature Drive , they perform their Ultimate End attack . " " . The Knights of the Round appear , when Kaze summons them to destroy the Object Novas around the world . Followed by saying : " Slaughter ! I summon you , KNIGHTS OF THE ROUND ! " " Final Fantasy Trading Card Game " . The Knights of the Round appear on a Shine - elemental card with their " Theatrhythm Final Fantasy Curtain Call " artwork . " Triple Triad " . Knights of the Round from " Mobius Final Fantasy " appear in the Japanese Triple Triad playable via " Final Fantasy Portal App " . Non - " Final Fantasy " guest appearances . " Blood of Bahamut " . In the Japan - only game , " Blood of Bahamut " , Gration , the upgraded version of Gigant , bears a strong resemblance to the Knights of the Round . Merchandise . Knights of the Round appear in the " Final Fantasy " Creatures range of figurines .