Stats

Stats govern the combat in Zenless Zone Zero. They affect aspects such as how often the player is able to use their Agents' abilities, how powerful they will be, and their survivability.
==Agent Stat Calculation==
Most stats (ATK, HP, DEF, Impact, Anomaly Proficiency, Anomaly Mastery, Energy Regen) start with a base value, and can be further increased by bonuses. Base value is gained naturally when Agents and W-Engines are leveled, as well as from leveling up Core Passives.
Stat bonuses are divided into two categories: unconditional bonuses (e.g. stats from Drive Discs, secondary stats of W-Engines) and conditional bonuses (e.g. buffs provided by Agent skills, set bonuses of Drive Discs, buffs from eating at the Noodle Shop). When a character enters combat, all unconditional bonuses are first applied and stats are frozen. When additional in-combat bonuses are gained, they use the frozen stats as base.
In general, agent stats are calculated as follows:
\begin{align} \text{Final Stat} ={} & ( \text{Base Value} \times ( 1 + \text{Percentage Bonuses}_\text{Unconditional}% ) + \text{Additive Bonuses}_\text{Unconditional}) \\ & \times ( 1 + \text{Percentage Bonuses}_\text{Conditional}% ) + \text{Additive Bonuses}_\text{Conditional} \end{align}
For the remaining stats (CRIT Rate, CRIT DMG, PEN, Pen Ratio, DMG Bonus), all bonuses are additive.
==List of Combat Stats==
Stat 	Effect
HP 	The max hitpoints of the agent. Agents can withstand this amount of DMG before they die.
ATK 	Scales with agent skill DMG multipliers to determine their base DMG dealt.
DEF 	Decreases the amount of DMG taken.
Impact 	Scales with agent skill Daze multipliers to determine their base Daze dealt.
CRIT Rate 	Determines the probability of causing critical hits. Starts at 5% by default.
CRIT DMG 	Determines the ratio of bonus damage on critical hits. Starts at 50% by default.
PEN Ratio 	Allows agents to ignore a percentage of the enemy's DEF when attacking.
PEN 	Allows agents to ignore a fixed amount of the enemy's DEF when attacking.
Energy Regen 	Determines the rate at which agents gain Energy.
Anomaly Proficiency	Increases the DMG dealt by Attribute Anomalies.
Anomaly Mastery 	Increases the buildup speed of Attribute Anomalies.
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