Kamijou Daichi

上條大地

Kamen Rider Calibur

仮面ライダーカリバー

Using Wonder Ride Books with the Wicked Blade Caliburdriver, Kamijou transforms into Kamen Rider Calibur.
Calibur is themed after a knight and dragon.
Demonstrates swordsmanship with Kurayami, combined with darkness-based attacks.
As the Swordsman of Darkness, Calibur's element is Kurayami (月闇) or darkness.

Jaaku Dragon

ジャアクドラゴン

First appearance: Ep 01

Height 217.6cm	Weight 121.3kg
Punch power 17.1t	Kick power 29.4t
Jump power 29.5m	100m Dash 3.9s

Based on a dragon.
Accessed by inserting the Jaaku Dragon Wonder Ride Book into the Wicked Blade Caliburdriver.
Calibur's default form.
Uses Kurayami to cut through the air to open dark dimensional tears and return attacks back at the enemy.

TV Asahi site

Jaou Dragon

ジャオウドラゴン

First appearance: Ep 11

Height 217.6cm	Weight 133.6kg
Punch power 26.1t	Kick power 47.8t
Jump power 46.7m	100m Dash 2.9s

Based on a dragon and king.
Accessed by inserting the Jaou Dragon Wonder Ride Book into the Wicked Blade Caliburdriver.
Calibur's upgrade form.
Delivers stronger hits with Kurayami and can withstand attacks. Returns attacks back at the enemy.

Finisher(s) via Kurayami:

Kurayami Finisher - When Jaou Dragon is scanned, the blade shoots dragon-like projections to knock down the enemy.
Jaou Finisher (ジャオウ必殺撃) - Shoots Jaou Dragon from the Kurayami at the enemy.

TV Asahi site