is a Japanese tokusatsu series that serves as the 43rd installment in the Super Sentai franchise, and the 31st and final entry in the Heisei era. The series follows the knights of the Ryusoul Tribe as they fight against the Druidon Tribe, a powerful race of monsters who once ruled Earth before fleeing into space 65 million years ago before returning to reclaim it.

Main characters Ryusoulgers The eponymous Ryusoulgers are members of the , an ancient race that has existed since the age of the dinosaurs who were originally warlike in the past. The Ryusoul Tribe made their home in an isolated mountain village in Aokigahara where they pass the Ryusoulger mantle from master to apprentice while safeguarding the temple holding the Kishiryu. When the Druidon Tribe return to Earth, the current Ryusoulgers are forced to leave their home.

Each primary member carries a bracelet, which allows them to summon their Kishiryu, as their transformation device along with a , which allows them to either access special abilities via the auxiliary RyuSouls or perform the finisher via their personal RyuSouls, as their sidearm.

After acquiring the , a legendary sword that previously served to maintain the seal on Eras, any one of the Ryusoulgers can utilize it to assume a caped form. Their finishers in this form are the via their personal Ryusouls and the via the KyoRyuSouls.

Koh is the 209-year-old energetic and curious squire of the late Master Red who becomes the current , . A kind-hearted, talented, yet childish swordsman, Koh can sometimes let his personality get the better of him and unintentionally cause problems.

Later in the series, Koh acquires the claw, which allows him to transform into the armored . While transformed, he gains the ability to combine the power of two RyuSouls for special attacks. His finishers in this form are the via the Max Ryusoul Changer and the via the Ryusoul Ken and Max Ryusoul Changer.

Koh is portrayed by . As a child, Koh is portrayed by .

Melto is Koh's composed and studious childhood friend with blue hair and the squire of the late Master Blue who becomes the current , . An honored, intelligent knight, he knows everything about the Kishiryu and the Minosaurs. However, he can be too objective in his approach and come off as insensitive to others' feelings, such as seeing the Kishiryu as "weapons" instead of partners. Despite this, he is friendly at heart and ultimately means well.

Melto is portrayed by . As a child, Melto is portrayed by .

Asuna is Koh's honest childhood friend with superhuman strength born from a noble family and the squire of the late Master Pink who becomes the current , . Despite her incredible strength, she can be rather clumsy and gluttonous at times, though she also displays a considerable amount of luck. Out of everyone on the team, she has the closet bond to Ui, in part because they have both lost a loved one.

Asuna is portrayed by . As a child, Asuna is portrayed by .

Towa is a confident and competitive knight who is Bamba's younger brother and the current , .

Towa is portrayed by .

Bamba is a quiet and unfriendly knight with master-level combat skills who is Towa's older brother and the current , .

Bamba is portrayed by . As a teenager, Bamba is portrayed by .

Canalo is a descendant of the , a splinter faction of the Ryusoul Tribe that wanted nothing to do with the main branch and took refuge under the sea during the ancient conflict with the Druidon Tribe. Due to his tribe being few in number, Canalo came ashore to find a wife, but ends up joining forces with the Ryusoulgers after he realizes they are nothing like their ancestors.

Unlike the primary Ryusoulgers, Canalo utilizes the firearm to transform into the , . He also wields the dagger, which similar to the Ryusoul Ken can be used to either access special abilities via the auxiliary RyuSouls or perform the finisher via the Gold RyuSoul. While using a KyoRyuSoul in conjunction with the Mosa Changer, he can combine the aforementioned firearm and the Mosa Blade to form the bayonet, which allows him to perform varying finishers.

Canalo is portrayed by .

RyuSouls The are key-like relics that hold the spirits of the Kishiryu and give the Ryusoulgers their powers. They can also change from to . When not in use, every auxiliary RyuSoul takes the form of a . Setting a personal RyuSoul into a Ryusoul Changer and/or the Mosa Changer allows the user to transform while setting one into a Ryusoul Ken and/or the Mosa Blade allows them to perform a finisher. While using an auxiliary RyuSoul in conjunction with the Ryusoul Ken, a primary Ryusoulger forms a unique on their right arm via . An amber-based RyuSoul is called a .

Change : Koh's personal RyuSoul that holds the spirit of Kishiryu Tyramigo and allows him to transform into Ryusoul Red. : Melto's personal RyuSoul that holds the spirit of Kishiryu Triken and allows him to transform into Ryusoul Blue. : Asuna's personal RyuSoul that holds the spirit of Kishiryu Ankyloze and allows her to transform into Ryusoul Pink. : Towa's personal RyuSoul that holds the spirit of Kishiryu TigerLance and allows him to transform into Ryusoul Green. : Bamba's personal RyuSoul that holds the spirit of Kishiryu MilNeedle and allows him to transform into Ryusoul Black. : Canalo's personal RyuSoul that holds the spirit of Kishiryu MosaRex and allows him to transform into Ryusoul Gold. : A RyuSoul that allows the user to don the Gaisoulg armor. : Koh's secondary RyuSoul that allows him to transform into Max Ryusoul Red. : A special RyuSoul that allows the user to transform into a Lupinranger. This Ryusoul appears exclusively in the crossover film Kishiryu Sentai Ryusoulger VS Lupinranger VS Patranger the Movie.

Auxiliary : A Rauisuchus-based auxiliary RyuSoul that holds the spirit of Kishiryu and grants the user enhanced attack power. This RyuSoul first appears in the miniseries Super Sentai Strongest Battle. : A Lambeosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to stretch any object. This RyuSoul first appears in the miniseries Super Sentai Strongest Battle. : A Microraptor-based auxiliary RyuSoul that holds the spirit of Kishiryu and grants the user enhanced speed and agility. This RyuSoul first appears in the miniseries Super Sentai Strongest Battle. : A Brachiosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and grants the user gyrokinesis. : An Allosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and grants the user an enhanced sense of hearing. : A Quetzalcoatlus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to produce a stinky gas. : An Iguanodon-based auxiliary RyuSoul that holds the spirit of Kishiryu and grants the user enhanced eyesight. : A Therizinosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and grants the user enhanced physical strength. : A Mapusaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to shrink anyone or anything down to smaller sizes. : A Deinonychus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to produce a powerful flash of light. : An Archelon-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to become invulnerable to any attack. : A Protoceratops-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to produce mist. : An Archaeopteryx-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to make anyone or anything lighter in weight. : A Parasaurolophus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to turn anything back to its original state. : An Edmontosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to put someone into a sleep-like trance that causes them to only tell the truth. : A Pachycephalosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to make anyone or anything slippery. : A Maiasaura-based auxiliary RyuSoul that holds the spirit of Kishiryu and grants the user an enhanced sense of smell. : An Altirhinus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to inflate anyone or anything like a balloon. : A Megalosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to make anyone or anything invisible. : A Troodon-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to create a duplicate of anyone or anything. : A Utahraptor-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to make anyone spin. : A Cryolophosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to put someone to sleep. : A Pachyrhinosaurus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to evaporate any moisture. : A Struthiomimus-based auxiliary RyuSoul that holds the spirit of Kishiryu and allows the user to soften anyone or anything. : A legendary RyuSoul with the power to grant wishes and was said to have contributed to the Sea Ryusoul Tribe breaking off from the main faction. : A special RyuSoul based on the Kiramagers that allows the primary Ryusoulgers to become the armored . This RyuSoul appears exclusively in the crossover film Mashin Sentai Kiramager vs. Ryusoulger.

KyoRyuSouls The are used by the Ryusoulgers to unlock additional Kishiryu and special power-up via .

: A KyoRyuSoul that holds the spirit of Kishiryu DimeVolcano and enables access to the , which grants the user pyrokinesis. When used in the Ryusoul Ken, a primary Ryusoulger can perform the finisher. : A KyoRyuSoul that holds the spirit of Kishiryu SpinoThunder and enables access to the , which grants the user electrokinesis. When used in the Mosa Breaker, Ryusoul Gold can perform the finisher. : A KyoRyuSoul that holds the spirit of Kishiryu Dinomigo. When used in the Gaisoul Ken, Gaisoulg gains aerokinesis. : A KyoRyuSoul that holds the spirit of Kishiryu ShineRaptor and enables access to the , which grants the user photokinesis and healing capabilities. : A KyoRyuSoul that holds the spirit of Kishiryu ShadowRaptor and enables access to the , which grants the user umbrakinesis. When used in the Mosa Breaker, Ryusoul Gold can perform the finisher. : A KyoRyuSoul that holds the spirit of Kishiryu CosmoRaptor and enables access to the , which grants the user photo- and umbrakinesis. : A KyoRyuSoul that holds the spirits of Kishiryu Pachygaroo and Chibigaroo and enables access to the , which grants the user geokinesis and a pair of gauntlets. When used in the Ryusoul Ken, a primary Ryusoulger can perform the finisher. : A KyoRyuSoul that holds the spirit of Kishiryu Pteradon and enables access to the , which grants the user cryokinesis and flight capabilities. When used in the Ryusoul Ken, a primary Ryusoulger can perform the finisher.

Kishiryu The are sentient dinosaur mecha that were created by the Ryusoul Tribe as a countermeasure to the Druidon before being sealed within temples throughout the world. They can combine with each other via . Amidst the Ryusoulgers' final battle with Eras, the Kishiryu sacrifice themselves to empower the Ryusoul Calibur. A year later, during the events of the crossover film Mashin Sentai Kiramager vs. Ryusoulger, the primary Ryusoulgers are able to manifest KishiryuOh Five Knights through Mabushina's tears resonating with their Kiramental.

: Ryusoul Red's personal Tyrannosaurus-themed Kishiryu that one of the three Kishiryu sealed within the temple in the Ryusoul Tribe's village. In battle, it is equipped with the twin shoulder-mounted , a pair of artillery turrets on its back, a drill on each shoulder, the , and its jaws. When accompanied by its enlarged Red RyuSoul, Tyramigo can project flames from its mouth. Tyramigo is voiced by .