In Honkai: Star Rail, Follow-Up attacks deal additional damage without having to activate them manually. Find out how to use Follow-Up attacks and which characters are capable of using them.
Your characters can counterattack your enemies’ moves by performing follow-up attacks when they meet the requirements for their talent. This mechanic can often help your party turn the tide in battle.
Furthermore, the turn-based battle system in the game requires you to carefully consider your actions, but due to the ability to perform an extra attack, most situations tend to go your way – ending the fight with victory.
Blade’s Follow-Up Attack in Honkai: Star Rail

Follow-Up Attack: Shuhu’s Gift
When Blade takes DMG, he gains one Charge stack for three turns, stacking up to five times. When the maximum Charge stacks is reached, consume all Charges and immediately unleash a follow-up attack on all enemies, dealing 21% of Blade’s ATK plus 54% of HP loss while stacking Charges as Wind DMG. After that, restore Blade’s health to 30% of his maximum.
Clara’s Follow-Up Attack in Honkai: Star Rail

Follow-Up Attack: Because We’re Family
When Clara is protected by Svarog, she takes 15% less damage when attacked by enemies. Svarog will mark enemies who attack Clara with the Mark of Counter and retaliate with a Counter, dealing Physical DMG equivalent to 80% of Clara’s ATK.
Herta’s Follow-Up Attack in Honkai: Star Rail

Follow-Up Attack: Fine, I’ll Do it Myself
Herta launches a follow-up attack when an ally’s attack causes an enemy’s HP to fall below 50%, dealing Ice DMG equal to 25% of Herta’s ATK.
Himeko’s Follow-Up Attack in Honkai: Star Rail

Follow-Up Attack: Victory Rush
Himeko gains 1 charge point (maximum 3 points) when an enemy is inflicted with Weakness Break. When an ally attacks Himeko with full Charge, He immediately performs 1 follow-up attack and deals Fire DMG equal to 70% of her ATK to all enemies, consuming all Charge points. He gains 1 Charge point at the start of the battle.
Jing Yuan’s Follow-Up Attack in Honkai: Star Rail

Follow-Up Attack: Prana Extirpated
Lightning-Lord is summoned at the beginning of battle. Lightning-Lord has a base SPD of 60 and an attack count of 3. Lightning-Lord deals Lightning DMG equal to 33% of Jing Yuan’s ATK to a random enemy, and Lightning DMG equal to 25% of the DMG dealt to the target enemy to any adjacent enemies.
When Lightning-Lord’s attack count increases by 1, Lightning-Lord’s SPD increases by 10. After the action is over, Lightning-Lord’s SPD and attack count return to their original values. Lightning-Lord disappears when Jing Yuan falls. Lightning-Lord will also not be able to take action when Jing Yuan is knocked down.
Kafka’s Follow-Up Attack in Honkai: Star Rail

Follow-Up Attack: Gentle but Cruel
Kafka immediately deals 75% of her ATK as Lightning DMG to a Shocked enemy after using a Basic ATK on that enemy. This effect can only be triggered once.
March 7th’s Follow-Up Attack in Honkai: Star Rail

Follow-Up Attack: Girl Power
Whenever a shielded ally is attacked by an enemy, March 7th immediately Counters, dealing Ice DMG equal to 50% of her ATK. This effect can be triggered twice per turn.
Yanqing’s Follow-Up Attack in Honkai: Star Rail

Follow-Up Attack: One With the Sword
Yanqing is less likely to be attacked by enemies when Soulsteel Sync is active. His CRIT Rate and CRIT DMG increase by 15%. After attacking an enemy, he is 50% likely to deal Ice DMG equal to 25% of his ATK in a follow-up attack. It is 65% likely that an enemy will be frozen, and 25% of his ATK will be dealt with by additional Ice DMG.
I hope you have a better understanding of follow-up attacks in Honkai: Star Rail and what they perform based on your selected character. Good luck in Honkai: Star Rail!