Blood Codes are the physical manifestation of the power held by an individual Revenant. 
It forms the foundation for build customization, determining the user's fighting style, favored weapons, and applicable formae.

Since they can be swapped out like equipment, they allow you to change your fighting style at any time by altering your base stats, eliminating the need to reallocate parameters or retrain a character. Furthermore, each Blood Codes possess unique effects known as Traits.

Attributes & Burden

The abilities that fluctuate based on the equipped Blood Code influence the Attack power of weapons and formae, as well as HP and Stamina.

When equipping Weapons, Jails, and Defensive Formae, Burden is applied to respective abilities. The state of this Burden can result in changes to your character's actions and/or grant special bonuses.

Types of Attributes

• Strength - Primarily affects the attack power of heavy weapons
• Dexterity - Primarily affects the attack power of light weapons
• Mind - Primarily affects the duration of support formae. Also affects the attack power of magic formae.
• Determination - Mainly affects the attack power of magic formae.
• Vitality - Mainly affects HP and LP
• Fortitude: Mainly affects stamina

Effects of Burden

The state where Burden exceeds the corresponding Attributes is referred to as 'Overburdened.' The Overburdened state simultaneously introduces both a positive effect, known as a ‘Benefit,' and a negative effect, known as a 'Penalty.’

If you can compensate for the resulting Penalty through skillful actions, you can reap significant benefits.

Dodging behaviors change depending on the Burden applied to your Attributes.

If the Burden value on all Ability Scores remains at or below half of the score, dodging becomes a high-performance quick step.

If two or more Ability Scores are in the Overload state, dodging becomes a low-performance heavy roll.

Boosters

Boosters are equipment used to expand the abilities of Revenants, and can also be utilized by Revenant Hunters.

Their variety is extensive, ranging from those that boost Attributes to those that activate effects with specific weapon types.

Traits

Unique effects that activate upon meeting certain conditions. In addition to the Traits inherent to Blood Codes and Boosters, these include 'Link Traits,' which activate when accompanied by a Partner character.

By controlling the activation conditions of these Traits and causing them to trigger simultaneously, you can achieve powerful synergy in combat.