Stamina CBS Project

Hi! I just wanted to get some feedback on my equipment and stat system.

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Equipment
In my game, shards of crystal called Chrysal are the core of the story and gameplay. Equipping different colors of shards (of varying quality and type) will produce stat growths and Color Synergy. You start out only able to equip 2 pieces at a time, but eventually can equip 5 pieces at a time.

Color Synergy
Here is a brief list of some of the synergy in the game:

Absorption
Requires Sun and Moon chrysal (Armor and Resist)
Reduces all damage taken by x.

Brawler
Requires Green and Clear chrysal (Ardor and Power)
When you crit, you gain some Life and Stamina.

Enchanted
Requires Blue and Sun chrysal (Mind and Armor)
Heals you for x when you are attacked.

Healthy
Requires Red and Green chrysal (Body and Ardor)
Increases Power when above 90% Life.

Vampirism
Requires Purple and Orange chrysal (Attack and Life)
Drains x Life per attack.

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CORE Stats
Body. Increases Life, Attack, and Armor.
Mind. Increases Attack, Ardor, and Armor + Resist.
Soul. Increases Ardor, Life, and Resist.

SUB Stats
Life. Just like HP. Reach 0 and you're unconscious.
Power. Determines how much damage/healing a character does. (Determined by your primary stat.)
Attack. Decreases the enemy's Armor/Resist.
Crit chance. The chance to cause bonus damage equal to your Ardor.
Ardor. How much bonus damage a crit causes.
Armor. Reduces physical damage.
Resist. Reduces energy damage.

Resource Mechanics
These cannot be increased but are core to the combat system.
Stamina. Maximum of 4. All abilities cost 1 to 3 stamina and you may use any ability you have enough stamina for until you're out of stamina.
Adrenaline. Maximum of 3. As you fight, you generate Adrenaline. Spending 1 Adrenaline will boost a standard ability to cause an additional effect. Spending 3 ability will unleash a powerful Rush Attack.

Primary Stat
Each character is focused on a primary stat. They have the highest growth for that stat and they gain bonuses.
- Their Power stat is increased by their primary Stat.
- For Body, they gain 10% additional Body and Life.
- For Mind, they gain 10% additional Mind and Attack.
- For Soul, they gain 10% additional Soul, Ardor and crit chance.

Stat Growth
Characters only gain Body, Mind, or Soul from fighting. These core stats increase their sub stats. There are no levels, only stat growth.