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"This stone world... is a paradise not yet to be tamed! Let's just revive the innocent, young people. We'll live together in nature, which doesn't belong to someone else. This is an opportunity to cleanse humanity!"

— Tsukasa Shishio, Dr. Stone, Chapter 4

Tsukasa Shishio (獅子王司 Shishiō Tsukasa) is the former primary antagonist of Dr. Stone. He was the antagonist of the first several arcs, his goal being to thin out the human population in order to create a new world without modern technology for the pure-hearted.

Despite his claims that no threat would come after Senku and Taiju, which proved ironic,[9] Tsukasa became one of the biggest obstacles to Senku's Kingdom of Science and restoring humanity as a whole in general.

In order to fight and prevent Senku from establishing a scientifically advanced civilization, he goes on to found his own society comprised of strong warriors to further his agenda. Eventually coming to a stalemate, he forms a temporary truce with Senku after the latter proposed to save his sister and ultimately defeats the traitorous Hyoga along with Senku.

After his life was saved by Senku by de-petrifying him from his cryogenic state, Tsukasa joins the Kingdom of Science and embarks with them on their trip to the United States, channeling his ideals differently - yet still striving for a morally pure world without exploitation of the innocent.

Appearance

Tsukasa Shishio Icons

Tsukasa is a very tall and muscular young man with wild, brown hair that he has been growing since childhood with bits of stone near the ends, and pale skin. He has an androgynous face and is stated to be handsome by Minami Hokutozai, though he often wears an intimidating frown on his face. His height is 195 cm.[10]

He has three stone markings: one across his face that cuts across his right eye, another etched deep into his left one from the corner of his eyelid all the way down across his nose and ends at the bottom of his jaw on the right, and the third being stretched across from his left shoulder over his chest and stopping at his upper abdomen.

After years of MMA fighting, Tsukasa gained permanently swollen knuckles on his index, middle and ring fingers.

His initial outfit is a crude red yukata and cloak made from a lion that he killed to protect Senku and Taiju. He used its pelt as a coat that he wore around or draped across his shoulders. He wears no shoes. Once he meets Senku after a year after believing he had killed him, he wears a cream pelt shirt with his torn yukata as a skirt.

After being revived from cryosleep, Tsukasa's scars are removed and replaced with a hand-drawn one.[11]

Personality

Tsukasa is essentially violent, but extremely careful and aware of his actions. He is a very kind, thoughtful, and polite man outside of his pessimistic ideals towards humanity. He offers help in the beginning to Senku and Taiju after they revive him and becomes their hunter for food, using his skills as a prominent athlete to aid them. It’s revealed later that Tsukasa plans to purge humanity and thinks Senku will go along with him, but instead Senku rejects him.[12] After this point, Tsukasa becomes fairly determined in carrying out his plans even to the point of leaving their group. He’s confessed to Senku that he doesn’t care about anyone but himself[13], though in the latter half of the story, it’s revealed that Tsukasa loves his sister Mirai more than anything in the world and that is where his resilience comes from, so he can save her.

He also reveals that Senku could’ve been his first friend pre-petrification[14], to which Senku agrees. From this angle, we can assume Tsukasa shuts himself off from others and only focuses on saving his sister. He’s naturally withdrawn outside of his goals. He tends to hate humans who control and manipulate others. By his actions, it is possible to assume that Tsukasa hates any hierarchy or practice of power. His goal is to create a society without technological advancement and he uses any means to achieve that objective; creating his own empire modeled on his twisted views of humanity. More specifically, a world without addictive drugs, guns and nuclear and chemical weapons.

Though to note, there are many points in the story that explore Tsukasa's psychotic behavior. One instance is when he first breaks a stone statue and has no remorse, continuing to crush more in his wake. He particularly goes after older adults and elderly people, but specifically leaves children alone. This can be related to his personal background and history of being assaulted and abused by those in authority. He also ends up taking Yuzuriha hostage in order to gain the Revival Formula. Tsukasa also by no means wants to resort to fighting or killing, but will do so if he feels pressured or his vision for humanity is at stake. This is seen when he ended up killing Senku after sharing a tender moment of wishing they could've met 3,700 years earlier.

Tsukasa has a code of respect which he abides by. He claims that even when killed in self-defense, a lion's meat should not be put to waste, thereby respecting it and the cycle of life.[12] He also has no intention of making anyone suffer, and when forced to kill, he kills as quickly and painlessly as possible.

Since his second revival, Tsukasa has mellowed out. Now loyal to the Kingdom of Science. Tsukasa forgives his former faction for turning on him. He even respects Ryusui a bit, having evaesdropped on the man's explanation on how he sees money as not a way to control humans, but a small factor in helping bring together others to bring out the best in humanity.

Abilities and Skills

Tsukasa's reputation gained him the moniker of "The Strongest High School Primate" due to his tremendous fighting abilities. The translators note that Shishiou Tsukasa means Lion Ruler.[15][16] Even Hyoga acknowledged his skill and had to wait for Tsukasa to be vulnerable to betray him.

Tsukasa cutting down a tree

Tsukasa cuts down a tree with his stone sword.

Immense Physical Prowess: True to his epithet, Tsukasa possesses physical capabilities head and shoulders above the rest of the cast.

  • Immense Strength: Tsukasa possesses immense brawn. With one punch, he was able to kill the leader of a pride of lions, scaring the rest of the pride off.[17] One punch from Tsukasa was able to push Taiju, a man noted for his inhuman endurance, to the brink of losing consciousness.[18] While briefly clashing with Kohaku, Tsukasa stopped her assault with only two fingers. He also managed to cut down a tree with a single strike from his stone sword, a tree that Senku noted to weigh 1 ton.[19]
  • Immense Speed: Tsukasa's speed and reflexes are equally immense. When Senku shot a crossbow bolt at Tsukasa, he simply caught the bolt with his bare hand[18], with Senku later noting that the bolts moved at 200 km/h. He was also able to easily parry all of Kohaku's swift attacks during their quick scuffle.[20]
  • Hand-to-Hand Proficiency: Perhaps the only thing more impressive than Tsukasa's physical capabilities is his hand-to-hand combat skill. He had dominated the UFC while only in high school, and remained undefeated throughout his career. Tsukasa's fighting styles seem to derive from many martial arts, as he demonstrates knowledge of techniques from many martial arts, like Muay Thai and Taekwondo. As a mixed martial artist, it could be inferred that he has extensive knowledge of Martial Arts in general. His skill is prominently shown when he fought the warriors of Stanley's military unit, despite their years of combat experience
  • Swordsmanship: He also shows that he is an able swordsman as well, wielding his stone blade with high proficiency.
  • Enhanced Senses: He has acute senses, as he sensed a bloodlust in the air and smelt a faintness of smoke blowing and realized it came from a gun.[21]
  • Enhanced Durability: Even when mortally wounded, he was able keep up with Hyoga, if only for a little while.

High intelligence: In addition to his physical prowess, Tsukasa possesses a high intellect. After Senku, it's confirmed by Riichiro Inagaki that Tsukasa would have the highest grades and ties with Chrome in a school setting. Tsukasa also states that Senku is the only man he has met who is smarter than him by massive inquiring levels. From this, it's assumed that Tsukasa has spent most of his life alienated from social customs because of his prime intelligence (feeling that no one would understand him) and current predicament with his clinically brain dead sister, Mirai. Even though Senku made it look like Taiju, Yuzuriha and escaped from Tsukasa in panic, he quickly deduced Senku is smart enough to try and trick him and rational enough not to condone to such behavior.[22] It is assumed that Tsukasa possesses knowledge of human physiology at least to a degree, having been able to "kill" Senku in one hit, targeting his cervical nerve.[14] He also has a high understanding of science on par with Senku and Chrome, as he realized it was nitric acid that was the key to de petrification and when he understood that Senku was going to make gunpowder based on where Senku's group was heading. He was also replicated the full de petrification formula after Senku explained it to him once. When in America, he was able to deduce someone was watching them after smelling smoke of machine gun, while Hyoga realized how easy it was to find corn and he was accurate when they were attacked.[21] He also deduced to have a better chance at bringing down the American colony would be that the leader would have to be captured. Along with Ukyo, he was able to understand Chrome's plan to build a drill.

Charisma: As a popular figure in the pre stone world and being a strong capable leader, he is very charismatic and able to gather people to his cause. He managed to gather people he revived to follow him under his reign and against the Kingdom of Science, though people did start rebelling once they learned it was possible to go back to a world with science. Despite this, having sided with the Kingdom of Science, he is still capable of motivating people and inspiring them. He can also assure them that things will be fine and demonstrates continued leadership as leader of the battle team of the Kingdom of Science.

Equipment

After being freed from his petrification, Tsukasa began wielding a primitive-looking spear with a stone blade to hunt for fish. The shaft broke later on, effectively turning the spear into a sword. The stone blade is sturdy enough to cut through trees.

Chapter Appearances

Chapter Appearances
Stone Formula Arc
1. Stone World Petrified
2. Fantasy Vs. Science Absent
3. King of the Stone World Debut
4. Pure White Shell Appears
Vs. Tsukasa Arc
5. Yuzuriha Appears
6. Taiju vs. Tsukasa Appears
7. The Gunpowder Adventure Appears
8. Raise The Smoke Signal Appears
9. Senku vs. Tsukasa Appears
10. Student of Science Appears
11. Weapon of Science Appears
12. Epilogue of Prologue (End of Part 0) Appears
Kingdom of Science Arc
13. Part 1: Stone World: The Beginning Absent
14. Those Who Have Faith Absent
15. Two Kingdoms of the Stone World Fantasy
16. Kohaku Appears
17. Nasty Looks Mentioned
18. Sorcery Showdown Absent
19. Two Million Years of Being Absent
20. Stone Road Absent
21. Dawn of Iron Absent
22. Survival Gourmet Absent
23. The Smooth Talker Absent
24. Lightning Speed!!! Pictured
25. By These Hands, the Light of Science Absent
26. A Shadow Alliance Appears
27. A Certain Scientists Wish Absent
28. Clear World Absent
29. Senku's Lab Absent
30. Death Green Absent
31. Friends Have Each Other's Backs Absent
32. Brain & Heart Absent
33. Baaad Chemicals Absent
Village Origins Arc
41. Doctor Stone Absent
42. Tale for the Ages Absent
43. Humanity's Final Six Absent
44. One Hundred Nights, One Thousand Skies Absent
45. Epilogue of Part 1 (End of Part 1) Part 2: Stone Wars Mentioned
Vs. Hyoga Arc
46. Stone Wars Appears
47. Science Vs. Power Pictured
48. Blades of Science Absent
49. To the Present Absent
50. Humanity's Greatest Weapon Appears
Communications Arc
51. Sweets for the Stone World Absent
52. Age of Energy Appears
53. Hard Knocks Crafting Club Absent
54. Flickering Blue Jewel Absent
55. Treasure Dungeon Push Start Absent
56. The Treasure Flashback
57. Heat Heart Fantasy
58. Wave of Science Absent
59. Voices from Here to Infinity Absent
60. Angel's Song, Devil's Whisper Absent
61. Stone Wars Begin Fantasy
62. Double Chase Mentioned
63. Information Warfare Absent
64. Hotline Fantasy
65. Call From the Dead Absent
66. Liars and Truth Tellers Absent
67. Full Mobilization Appears
68. Flame of Revolution Appears
69. Steam Gorilla Absent
70. Paper Shield Appears
71. Prison Break Fantasy
72. Experience Points Absent
73. Top-Secret Mission Fantasy
74. Fateful 20 Seconds Appears
75. 20-Second Countdown Absent
76. Final Battle Appears
77. The Power of Science Appears
78. That Which Destroys or Saves Appears
79. For This Very Moment Appears
80. Humanity's Strongest Tag Team Appears
81. Fingertip Appears
82. Epilogue of Stone Wars (End of Part 2) Appears
Age of Exploration Arc
83. Dr. Stone Appears
84. People = Power Absent
85. Ultimate Resource Absent
86. Money Absent
87. Senku's Department Store Absent
88. Wings of Humanity Absent
89. Adventures Absent
90. New World Map Absent
91. Need Bread? Start with Wheat Absent
92. Desire is Noble Absent
93. The First Shot Is Yours Absent
94. The Scent of Black Gold Absent
95. First Contact Absent
96. Eye of Science Absent
97. The Joy of Leadership Absent
98. Ryusui Absent
99. Kingdom of Science Photo Journal Absent
100. Origin of the 100 Tales Absent
Treasure Island Arc
101. Treasure Chest Absent
102. Perseus, Ship of Science Absent
103. Light of Hope and Despair Absent
104. Men of Forensics Absent
105. The Island's Great Beauty Absent
106. The Secret of Petrification Absent
107. To the Trump Card Science Vessel Absent
108. Two Trump Cards Absent
109. The Great Escape Absent
110. Beautiful Science Absent
111. Science Wars Absent
112. King of Three Dimensions Absent
113. Cryptography Science Absent
114. Silently, Science Pierces the Stone Absent
115. One Second, One Grain Absent
116. Miracle in Hand Flashback
117. The Kingdom of Science Strikes Back Absent
118. Silent Soldiers Absent
119. Science Soldiers Absent
120. Top Secret Absent
121. Medusa's True Face Absent
122. Brain-Battle Puzzle Pieces Absent
123. The Battle of Wits' Deal Game Absent
124. The Invention of God and the Devil Absent
125. The Decisive Three-Dimensional Battle Absent
126. A 3-D Strategy Absent
127. Medusa and Perseus Absent
128. Island-Wide Battle Royale Absent
129. Joker Absent
130. Devil's Choice Absent
131. Nasty Crimes Absent
132. The Strongest Weapon Is... Absent
133. Flash of Destruction Absent
134. Commander Faceoff Absent
135. Counting Absent
136. Medusa Vs. Science Absent
137. Last Man Standing Absent
138. End Of Part 3 Absent
New America City Arc
139. First Dream Absent
140. New World Plots Pictured
141. First Team Appears
142. World Power Appears
143. Ryusui vs. Senku Appears
144. Ryusui & Gen vs. Senku & Kohaku Appears
145. Bar Francois Pictured
146. Bar Francois: Bitters Appears
147. Science Journey Pictured
148. Pioneers of Earth Absent
149. Light Lure in Darkness Appears
150. Righteous Science User Pictured
151. Dr. X Appears
152. Doctor Vs. Doctor Appears
153. Science Wars Appears
154. Spy vs. Spy Appears
155. Science Is Elegant Absent
156. Two Scientists Absent
157. Same Time, Same Place Absent
158. Who's the Scientist? Absent
159. Lock On Absent
160. Gunshots Echo Appears
161. Craft Wars Appears
162. Down the Earth-Stained Path Appears
163. Multifront Final Battle Appears
164. Re-Lock On Absent
165. Know the Rules, Make the Rules Absent
166. Ultimate Knight Pictured
167. Different Strokes Appears
168. Corn City: Population One Million Pictured
169. RISK or HEART Absent
South America Arc
170. Staring Up at the Same Moon Absent
171. Staring at the Same Light Absent
172. Marked with an "X" of Wisdom Pictured
173. Earth Race Pictured
174. The Specter of the Panama Canal Pictured
175. Ultra Race Across South America Pictured
176. Net-Breaking Battle Plan Appears
177. Medusa Mechanism Pictured
178. Science Scales Mountains Pictured
179. Bonds on the High-Wire Pictured
180. Sickening Yet Beautiful Appears
181. New World Science Appears
182. Diamond Heart Pictured
183. Stone Sanctuary Pictured
184. Fort Medusa Appears
185. Lovely Cleavage Plane Absent
186. To Each Their Own Blade Absent
187. Cyber Guerilla Appears
188. What I Once Sought to Destroy Appears
189. Our Dr. Stone Mentioned
190. Science Transcends Life Mentioned
191. Divine Scream, Down to Earth Absent
192. Until We Meet Again Absent
193. Our Stone World Absent
New Stone World Arc
194. Homo Sapiens, All Alone Fantasy
195. Treasure Hunter, All Alone Petrified
196. Scientist, All Alone Absent
197. A Stony Eden and Its Forbidden Fruit Appears
198. Whole New World Appears
199. Superalloys Appears
200. Future Engine Pictured
Globetrotting Arc
201. Morse Talk Appears
202. Ryusui Corp. Absent
203. Missile Heart Absent
204. The Universe is Written in the Language of Mathematics Absent
205. Universe of Zeroes and Ones Absent
206. Dawn of the Computer Fantasy
207. Linking the Circuit Diagram Absent
208. Science Transcends Humanity Absent
209. The Rocket's Hard Truth Fantasy
210. Not One-Way Fantasy
211. World Tour for Resources Absent
212. Final Part: Stone to Space Absent
Moon Mission Arc
213. Unknown Known Absent
214. Stone World's Earth Defense Force Absent
215. Long, Long Road Absent
216. Hello, World Absent
217. Science Underdogs Absent
218. WWW (World Wide Workshop) Pictured
219. Three Heroes Appears
220. A Desire for All Appears
221. Entrusting It All Appears
222. Science Road Appears
223. 0 Appears
224. In Space Absent
225. Docking Absent
226. Giant Step Appears
227. It Was You Appears
228. Life Stone Absent
229. Why-Man Absent
230. Human Flashback
231. A Future To Get Excited About Absent
232. Final Chapter: Dr. STONE Appears

Trivia

  • Tsukasa's name is composed of "tsukasa" ( director; official; officer) while his surname Shishio is composed of "shi" ( death), "shi" ( lion) and "ō" ( king) to create Shishiō (Death Lion King).
  • Tsukasa placed 10th in the popularity poll.
  • Tsukasa placed 5th in the Second Popularity poll with 1073 votes.
  • Tsukasa's goal to create a classless society without modern science or technology is similar to that of an anarcho-primitivist.
  • Tsukasa was the first person in the story to establish an empire in Japan after the petrification event. However, his empire was established hundreds of years after the finding of the Ishigami Village (which is not an empire).

References

  1. 1.0 1.1 Dr. Stone Manga: Chapter 178
  2. Dr. Stone Manga: Volume 19 — Extras
  3. Chapter 83, Tsukasa was put into cryosleep and clinically deceased due to no effective medical treatment.
  4. Chapter 141, Tsukasa is immediately revived after his second petrification and his wounds recovered.
  5. Dr. Stone Manga — Vol. 1 Chapter 1, Tsukasa Shishio is Petrified along with all of Earths Human Population.
  6. Dr. Stone Manga — Vol. 1 Chapter 3, Tsukasa Shishio is revived by Senku
  7. Chapter 141, Tsukasa is petrified once again.
  8. Chapter 141, Tsukasa is immediately revived after his second petrification.
  9. Dr. Stone: Chapter 3, Page 19
  10. Dr. Stone Manga: Chapter 178, page 18
  11. Dr. Stone Manga: Chapter 141, Page Tsukasa recreates his scar.
  12. 12.0 12.1 Dr. Stone Manga: Chapter 4
  13. Dr. Stone Manga: Chapter 9
  14. 14.0 14.1 Dr. Stone Manga: Chapter 10
  15. Dr. Stone: Chapter 1, Page 33
  16. Dr. Stone: Chapter 3, Page 13
  17. Dr. Stone: Chapter 3, Page 18
  18. 18.0 18.1 Dr. Stone Manga: Chapter 6
  19. Dr. Stone Manga: Chapter 16
  20. Dr. Stone Manga: Chapter 17
  21. 21.0 21.1 Dr. Stone Manga: Chapter 149
  22. Dr. Stone Manga: Chapter 7

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