Auto-Battle

Auto-Battle is a feature in Honkai: Star Rail that automatically controls the player's team during combat.
While Auto-Battle is active, usage and targeting of abilities are determined by a variety of factors, including Skill Points, enemy weaknesses, enemy HP, team HP, Status Effects, etc.
Auto-Battle is unlocked during Simulated Universe: First Closed Beta, but may become unavailable during certain story battles.
==AI Logic==
===Common Logic===
* Skills are more likely to be used the more Skill Points the team has (except healing skills).
* Healing skills favor characters with lower current HP percentage, and avoid characters with more than 80% current HP.
* Damaging abilities favor enemies with matching weakness or are weakness broken.
** This usually influences Single Target abilities to a greater extent than Blast abilities.
* Single Target and Bounce Basic ATKs and Skills favor enemies with lower current HP percentage.
** This usually influences Basic ATKs to a greater extent than Skills.
* Blast abilities favor enemies with adjacent targets on both sides.
* Ultimates are used immediately when available (except healing Ultimates).
* Single Target Ultimates favor enemies whose current HP percentage is between 20% and 80%.
* Healing Ultimates are not used until an ally reaches 50% current HP.
===Ultimate Priority===
When multiple Ultimates are ready to be used at the same time, higher priority Ultimates are used first. If there are multiple Ultimates with the same priority level, they will be used from left to right based on team slot.
PriorityLevel	Ultimates
6 	Asta: Bronya: Clara: Gepard: Hanya: Robin: Ruan Mei: Sparkle: Topaz and Numby: Trailblazer (Harmony): Yunli:
5 	Aventurine: Black Swan: Boothill: Gallagher: Jiaoqiu: Lingsha: Luka: Luocha: March 7th (Preservation): Pela: Sampo: Silver Wolf: Welt: Yukong:
4 	Argenti: and Arlan: Dan Heng • Imbibitor Lunae: Herta: Himeko: Jingliu: Jing Yuan: Kafka: March 7th (The Hunt): Trailblazer (Destruction): Trailblazer (Preservation): Qingque: Blade: Xueyi:
3 	Bailu: Lynx: Natasha: Serval:
2 	Acheron: Dan Heng: Dr. Ratio: Feixiao: Fu Xuan: Guinaifen: Hook: Misha: Moze: Seele: Sushang: Yanqing:
1 	Huohuo: Tingyun:
===Character-Specific Logic===
==== Acheron====
* favors enemies with more debuffs, up to 5.
* favors enemies with more debuffs, up to 5.
* favors enemies with Crimson Knot.
==== Argenti====
* is given higher priority the more Normal enemies are present.
* is given higher priority the more enemies of Elite tier or higher are present.
==== Arlan====
* is more likely to be used at higher current HP percentages.
==== Asta====
* is more likely to be used with more enemies on the field.
==== Blade====
* :
** Is avoided if current HP percentage is 30% or less.
** Is more likely to be used if current HP percentage is 30%–50%.
** Is even more likely to be used the more HP Blade has above 50%, capping at 80%.
* favors enemies with lower current HP percentage.
==== Boothill====
* :
** While Energy is not full, favors enemies with lower current Toughness.
** While Energy is full, favors stronger enemies.
* :
** While in the Standoff state, favors the Standoff target if they are not weakness broken.
** Favors enemies without Physical weakness.
==== Bronya====
* :
** Favors characters with higher damage potential.
** Favors characters of damage-oriented Paths.
** Favors characters with higher current Action Value.
==== Dan Heng====
* favors enemies with higher damage potential.
* favors slowed enemies.
==== Dan Heng • Imbibitor Lunae====
* :
** Favors enemies whose current HP percentage is between 20% and 80%.
==== Dr. Ratio====
* :
** Favors enemies with more debuffs (up to 5).
** Favors enemies affected by Wiseman's Folly from Ultimate.
* :
** Favors enemies with more debuffs (up to 5).
** Favors stronger enemies.
==== Feixiao====
* favors stronger enemies.
* favors stronger enemies.
* :
** Favors stronger enemies.
** Favors Weakness Broken enemies.
* is used when the target is Weakness Broken.
* is used when the target is not Weakness Broken.
==== Gallagher====
* priotizes characters under Crowd Control debuffs.
* :
** Is normally treated as a healing Ultimate and will only be used when an ally's HP is low.
** If a buff that enables Super Break is active on the team, Gallagher's Ultimate will instead be treated as a damaging Ultimate and be used as soon as it is available.
==== Gepard====
* favors enemies that are not already Frozen.
==== Hanya====
* :
** Favors stronger enemies.
** Avoided if Burden is already active.
* favors characters of damage-oriented Paths.
==== Hook====
* :
** Favors enemies with matching weakness and weakness broken enemies to a greater extent than most abilities.
** Favors enemies with Burn.
==== Huohuo====
* :
** Favors allies with adjacent allies.
** Favors allies under Crowd Control debuffs.
==== Jiaoqiu====
* :
** Only used with 3 or more Skill Points.
** Favors stronger enemies.
==== Jing Yuan====
* is more likely to be used with multiple enemies on the field.
==== Clara====
* is more likely to be used the more enemies are marked with Mark of Counter.
==== Lingsha====
* is treated as a damaging Ultimate and be used as soon as it is available.
==== March 7th (Preservation)====
* :
** Favors characters with lower current HP percentage.
** Favors characters that do not have full Energy.
** Favors locked-on characters.
==== March 7th (The Hunt)====
* :
** Favors characters with higher SPD, up to 100.
** Greatly favors Destruction, The Hunt, and Erudition characters.
* favors stronger enemies.
==== Moze====
* :
** Favors stronger enemies.
** Favors enemies with lower current HP percentage.
* :
** Favors stronger enemies.
** Favors the enemy that has been marked as "Prey."
==== Pela====
* is more likely to be used when is not active.
==== Trailblazer (Preservation)====
* is more likely to be used when Skill's DMG Mitigation effect is not active.
* is more likely to be used the more stacks Magma Will has, starting at 4 stacks.
* is more likely to be used when the free enhanced Basic ATK from is active.
==== Qingque====
* is very likely to be used with 3 or 4 identical tiles, less likely to be used 2 identical tiles, and avoided if there are no identical tiles.
==== Seele====
* is more likely to be used if the SPD buff from Skill is not active.
==== Silver Wolf====
* and favor enemies with more debuffs (up to 5).
==== Sushang====
* favors weakness broken enemies.
* :
** Unlike most Single Target Ultimates, does not favor enemies whose current HP percentage is between 20% and 80%.
** Instead favors enemies with lower current HP percentage.
==== Tingyun====
* does not consider target weakness or weakness break status, unlike most Basic ATKs.
* :
** Favors characters with higher damage potential.
** Favors characters of damage-oriented Paths.
** Avoided when buff from Skill is already active.
* :
** Avoids Tingyun herself.
** Avoids characters with full Energy.
** Favors characters of damage-oriented Paths.
==== Welt====
* favors enemies with higher damage potential.
==== Xueyi====
* and favor enemies that are weak to Quantum but are not Weakness Broken.
* :
** Favors enemies that are not Weakness Broken.
** Favors stronger enemies.
==== Yanqing====
* favors enemies with higher damage potential.
==== Yukong====
* is more likely to be used when Roaring Bowstrings is not active.
==Consumables==
==Other Languages==
==Change History==
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