Chikyū Konagona Ni (Earth Shatter)

Name of zanpakuto: Chikyū Konagona Ni

Shikai ability: Chikyū Konagona Ni turns into large, stone-like gauntlets that covers up to Kasai's elbows. He also gains large, stone-like boots that covers up to his knees. The gauntlets double as a shield which are able to deflect any sword, most shikais, lieutenant level kido, and normal cero blasts. In this form , he is able to take chunks of earth and shoot it a target with a simple thrust. If he strikes the ground, it erupts which blasts pieces of earth every which way, leaving the ground shattered.

Bankai ability: Chikyū Kuchikukan turns into black gauntlets and loses the bulkiness. His boots also lose the bulkiness and become sleek , black boots. Kasai gains back his sheath and zanpakuto on his left arm. Kasai loses the ability to deflect but gained the ability to absorb most of the power of anything that hits the gauntlets. With this is power, he can redirect it. He also becomes a master at Hakuda, mastering all of its techniques.

Shikai: Shatter: Chikyū Konagona Ni
Bankai: Destroy: Chikyū Kuchikukan
Description: In shikai, it's Chikyū's way of being irrational. Not caring about his appearnce or speed, but cares for the sheer power and destruction
In his bankai, it's Kasai's way of being rational. Trading endurance for speed and power
Weakness: Shikai: Kasai is unable to use any form of Hoho causing his movement speed to drop significantly
Bankai: Kasai cannot withstand great spiritual pressure for a very long time. He can only absorb so much before he grows tired.
Stats: Shikai-
Damage: 8
Endurance: 9
Reiatsu: 6
Reiastu Manipulation: 6
Speed: 3
Bankai-
Damage: 7
Endurance: 5
Reiatsu: 7
Reiatsu Manipulation: 8
Speed: 7

The rules state how shikai work. You want power, you don't get stat boosts. The stat boosts you get are also outlined.

It's in the stat system...