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Hiroshi Tennoji (天王路 博史, Ten'nōji Hiroshi) is the main antagonist of Kamen Rider Blade. He was a rogue chairman of BOARD who intentionally instigated the Battle Fight and created the Category Ace Kerberos II (ケルベロスII, Keruberosu II) to which he transforms into to make his "dream" of a new world order come true.
History[]
Tennoji sealed the Kerberos Undead himself into the Change Kerberos card for his true plan: Using a surgically grafted device based on the Rider System technology to fuse with his creation, becoming Kerberos II with Tennoji's face on the monster's chest.
It took all 4 Riders to fight Kerberos II, with Blade King Form's Royal Straightflash and Wild Chalice's Wild Cyclone only able to reverse the fusion. However, the Giraffa Undead takes the Change Keroberos for himself in the fight's aftermath for his own agenda. In the end, he was murdered by the Giraffa Undead after he was defeated by the Riders with his dreams shattered.
Kerberos II[]

- Height: 232 cm
- Weight: 145 kg
Hiroshi Tennoji fuses with Kerberos by inserting the Change Kerberos Rouse Card into a Card Reader (カードリーダー, Kādo Rīdā) grafted onto his left arm. Tennoji's face appears in the center of the body, and the left shoulder of Kerberos evolves into a fuller form. Kerberos II's combat ability has been improved and it can shoot a flame called Divine Wave (ディバインウェーブ, Dibain Uēbu) from both heads of both shoulders.

Tennoji uses Card Reader.
Behind the scenes[]
Portrayal[]
Hiroshi Tennoji is portrayed by Kohji Moritsugu (森次 晃嗣, Moritsugu Kōji) , who is best known for his role as Dan Moroboshi in Ultraseven
.
Etymology[]
Part of Tennoji's surname is a homophone with "Emperor" (天皇, Tennō), the title all of Japan's emperors use, reflecting his desire to rule.
Appearances[]
Kamen Rider Blade
- Episode 38: One Who Takes Hold of Destiny
- Episode 39: Reunion...Father and Daughter
- Episode 40: Parting With the Past
- Episode 41: A Desire to Get Stronger
- Episode 42: Leangle Revived
- Episode 43: Foe or Friend?
- Episode 44: Fourcards
- Episode 45: The New Card
- Episode 46: The Ruler's Seal (Death)