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Honkai: Star Rail 4.2 Character Buffs Latest Leaks: Firefly, Huohuo, Seele

Time: 2026-03-13 15:55:01
Author: Liam

Greeting! Trailblazers!


Firefly, Huohuo, Seele, and Welt are getting buffed! After the Version 4.2 update, the limited 5-star characters Firefly (Destruction: Fire), Huohuo (Abundance: Wind), Seele (The Hunt: Quantum), and regular 5-star character Welt (Nihility: Imaginary) will receive Character Enhancements!


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▍HSR 4.2 Firefly Buffs



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SkillIcon_1310_Passive.png Talent: Chrysalid Pyronexus


The lower the HP, the less DMG received. When HP is 50% or lower, the DMG Reduction reaches its maximum effect, reducing by up to 30%~60%.

While in the Complete Combustion state, the maximum DMG Reduction effect is maintained, and the unit gains Energy Regeneration per Turn (5%~10%) and the Energy Reduction Immunity state, which last until the end of Complete Combustion. Additionally, Effect RES is increased by 50%~100%.

If Energy is lower than 50% when the battle starts, regenerate Energy to 50%. When Energy is restored to the maximum limit, dispel all debuffs on self and gain Negative Status Invalidation for 3 turns.

 


SkillIcon_1310_Normal.png Enhanced Basic ATK: Fyrefly Type-IV: Pyrogenic Decimation


Restores HP equal to 20% of this unit's Max HP. Applies Fire Weakness to one designated enemy target, and deals Fire DMG equal to (8%~15% Break Effect + 100%~200% ATK) of SAM to the designated single enemy target.

 


SkillIcon_1310_BP.png Skill: Aerial Bombardment


Consumes HP equal to 40%~25% of this unit's Max HP, and regenerates a fixed amount of Energy equal to 50%~75% of this unit's Max Energy. Applies Fire Weakness to one designated enemy target, and deals Fire DMG equal to (100%~200% ATK + 20% Break Effect) of SAM to the designated single enemy target. If the current HP is insufficient, reduce SAM's current HP to 1 when casting the Skill. Advance this unit's next action by 25%.

 


SkillIcon_1310_BP.png Enhanced Skill: Fyrefly Type-IV: Deathstar Overload


Restores HP equal to 25% of this unit's Max HP. Regenerates a fixed amount of Energy equal to 25%~50% of this unit's Max Energy. Applies Fire Weakness to one designated enemy target and its adjacent units for 2 turns.

Deals Fire DMG equal to (20%~40% Break Effect + 100%~200% ATK) of SAM to the designated target. At the same time, deals Fire DMG equal to (10%~20% Break Effect + 50%~100% ATK) of SAM to its adjacent targets.

 


SkillIcon_1310_Ultra.png Ultimate: Fyrefly Type-IV: Complete Combustion


Enter the Complete Combustion state, advance this unit's action by 100%, and gain Enhanced Basic ATK and Enhanced Skill. While in the Complete Combustion state, SPD is increased by 10%~20% + 40~100 points. When casting the Enhanced Basic ATK/Enhanced Skill, the unit's Weakness Break Efficiency is increased by 50%/100%, and the Break DMG dealt by SAM to enemy targets is increased by 15%~30%, which lasts until the end of Complete Combustion.

A Complete Combustion countdown appears in the action sequence. When the countdown's turn starts, SAM exits the Complete Combustion state. The countdown has a fixed SPD of 70~50 points.

While in the Complete Combustion state, SAM can cast the Enhanced Ultimate Fyrefly Type-IV: Supernova Overload.

 


SkillIcon_1310_Ultra.png Enhanced Ultimate: Fyrefly Type-IV: Supernova Overload


Restores HP equal to 25%~50% of this unit's Max HP, and deals Fire DMG equal to (40%~60% × Break Effect + 200%~400% ATK) of SAM to all enemy targets. Reduce the All-Property RES of enemy targets by 10%~20% for 2 turns. After the attack, additionally convert the Toughness Reduction of this attack into 1 instance of 100%~150% Super Break DMG.

 


SkillIcon_1310_SkillTree1.png Bonus Ability 1: Module α: Antilag Outburst


While in the Complete Combustion state, attacking enemies that are not in Weakness Broken state or are under Weakness Invalidation can also deal Super Break DMG, which is equal to the original Skill's Toughness Reduction × 50% Break Effect. When attacking enemies under the Weakness Invalidation state, forcefully reduce the enemy's Weakness Toughness by an amount equal to 75% of the original Skill's Toughness Reduction.

 


SkillIcon_1310_SkillTree2.png Bonus Ability 2: Module β: Autoreactive Armor


While in the Complete Combustion state, when SAM's Break Effect is 180%/300% or higher, attacking an enemy target in Weakness Broken state will convert the Toughness Reduction of this attack into 1 instance of 40%/75% Super Break DMG. This effect is also triggered when the enemy target is inflicted with Weakness Broken by other allies' attacks.

 


SkillIcon_1310_SkillTree3.png Bonus Ability 3: Module γ: Core Overload


If SAM's ATK is higher than 1800 points, increase this unit's Break Effect by 1% for every additional 10 ATK points.

When the cumulatively increased Break Effect exceeds 60%, SAM inflicts 25% Weakness Recovery Resistance Reduction on enemies when attacking. This effect cannot be stacked and can be re-applied when the enemy target is inflicted with Weakness Broken. This effect is effective for the Imaginary Toughness mechanism.

 


Eidolon 1: In Reddened Chrysalis, I Once Rest


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Ignore 20% of the target's DEF when casting Enhanced Basic ATK, Enhanced Skill, or Enhanced Ultimate. The Enhanced Skill does not consume Skill Points. When casting the Enhanced Ultimate, reduce the enemy's Fire RES by 20%.

 


Eidolon 2: From Shattered Sky, I Free Fall


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Restore 1 Skill Point for each action while in the Complete Combustion state. When casting Enhanced Basic ATK, Enhanced Skill, or Enhanced Ultimate to defeat an enemy target or inflict Weakness Broken on the target, SAM immediately gains 1 extra turn. This effect can be triggered again after 1 turn.

 


Eidolon 4: Upon Lighted Fyrefly, I Soon Gaze


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While in the Complete Combustion state, restore 5% Energy to SAM each time an enemy is inflicted with Weakness Broken, and restore 2% Energy to SAM each time an enemy target takes Super Break DMG. Each ally unit is counted once within a single attack of allied units, with a maximum Energy restoration of 10%.

 


Eidolon 6: In Finalized Morrow, I Full Bloom


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Increase SAM's Fire RES PEN by 20% while in the Complete Combustion state.

Increase Weakness Break Efficiency by 50% when casting Enhanced Basic ATK, Enhanced Skill, or Enhanced Ultimate.

Retain the increased SPD when exiting the Complete Combustion state. When entering the Complete Combustion state again, reduce the maximum Toughness of all enemy targets to 75% of the original Toughness value.



▍HSR 4.2 Huohuo Buffs



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SkillIcon_1217_Passive.png Talent: Possession: Ethereal Metaflow


After using her Skill, Huohuo gains Divine Provision, lasting for 3 turns. This duration decreases by 1 turn at the start of Huohuo's every turn. While Huohuo has Divine Provision, all allied targets' SPD is increased by 15%. When an ally's turn starts or an ally uses their Ultimate, the ally restores HP equal to 4%~6% of Huohuo's Max HP + 6%~9% of the ally's Max HP. At the same time, each allied target with 50% HP percentage or lower receives an additional healing effect, with the healing efficiency increased by 30%~50%.

When Divine Provision is triggered to heal an allied target, dispel 1 debuff from that target, prioritizing Crowd Control debuffs. While Huohuo has Divine Provision, all allies gain the Crowd Control Invalidation state. The debuff dispel and Crowd Control Invalidation effects can be triggered up to 8 times. Using the Skill again resets the trigger count of these effects.



SkillIcon_1217_SkillTree1.png Bonus Ability 1: Fearful to Act


When the battle starts, Huohuo gains Divine Provision lasting for 2 turns. While allied targets have Divine Provision, they gain 1 stack of Negative Status Invalidation at the start of each turn, which can be stacked up to 3 times and lasts until the end of Divine Provision.



SkillIcon_1217_SkillTree2.png Bonus Ability 2: The Cursed One


While Huohuo has Divine Provision, she gains Negative Status Invalidation for herself. When other allies' HP drops below 50% and Huohuo has no Divine Provision or the debuff dispel trigger count is exhausted, Huohuo immediately gains the maximum stack of Divine Provision available and resets the debuff dispel trigger count. (Can be triggered once every 5 turns).



SkillIcon_1217_SkillTree3.png Bonus Ability 3: Stress Reaction to Horror


When her Talent is triggered to heal allied targets, Huohuo regenerates 2 Energy.

When the AoE healing effect for allies with HP below 50% is triggered, all allies' Max HP is increased by 3%, which can be stacked up to 5 times and lasts for 3 turns. This effect can be triggered once directly after Huohuo uses her Skill or Ultimate.

When any ally's HP drops to 33%, all debuffs that reduce Max HP and healing efficiency are removed, and Huohuo automatically uses her Skill once without consuming Skill Points. (Can be triggered once every 5 turns)



SkillIcon_1217_Ultra.png Ultimate: Tail: Spiritual Domination


Unleash the Exorcism Talisman Barrier lasting for 3 turns. This duration decreases by 1 turn on Huohuo's turn.

Within the barrier, all enemies' DMG Dealt is reduced by 20%~30% and their DMG Taken is increased by 10%~20% for 3 turns.

Regenerate Energy for all allies equal to 15%~25% of their respective Max Energy, and increase their ATK by 30%~50% for 3 turns at the same time.

After using the Ultimate, the duration of Huohuo's Divine Provision is extended by 1 turn.



Eidolons 1: Anchored to Vessel, Specters Nestled


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After using the Ultimate, all allies' DMG Dealt is additionally increased by 50% for 3 turns. Half of this effect can also be triggered when healing effects are dealt.

All units that use Energy-based Ultimate gain Energy Regeneration per Turn equal to 2% + 3 Energy for 3 turns.

For characters who activate Ultimate via special mechanics, their stack count is increased by 2.



Eidolons 2: Sealed in Tail, Wraith Subdued


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While Huohuo has Divine Provision, if an allied target is struck by a killing blow, the target will not be knocked down, and their HP will be immediately restored to 100% of their Max HP while the Ultimate is activated. This reduces the duration of Divine Provision by 1 turn. This effect can be triggered up to 3 times per battle.



Eidolons 4: Tied in Life, Bound to Strife


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When healing an allied target via Skill or Talent, the target's healing received is increased by 20% for every 10% decrease in their current HP percentage, with a maximum 100% increase in healing provided by Huohuo. If the healing overflows, 50% of the overflow is stored (capped at 200% of Huohuo's ATK + 2500). The stored healing is evenly distributed to allied targets with incomplete HP the next time the AoE healing effect for allies with HP below 50% is triggered.



Eidolons 6: Woven Together, Cohere Forever


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During the duration of Divine Provision, the number of debuff dispel triggers is increased by 4, the number of Negative Status Invalidation stacks is increased by 1, and all allies except Huohuo gain 20% All Property RES PEN.



▍HSR 4.2 Seele Buffs



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SkillIcon_1102_Passive.png Talent: Resurgence


During Seele's turn, if any of the three conditions is met—knocking an enemy down, breaking an enemy's weakness, or reducing an enemy's HP below 50% of their Max HP for the first time—she gains Resurgence and enters the Amplification state.

While in the Amplification state, Seele's CRIT Rate is increased by 10%, the DMG of her attacks is increased by 40%~80%, and using her Skill costs no Skill Points.

When an enemy is defeated while Seele is in the Resurgence state, Seele's ATK is increased by 25% for 2 turns.

If an enemy is defeated during the extra turn granted by the Talent Resurgence, Resurgence will not be triggered, but the duration of the Amplification buff from Resurgence will be extended by 1 turn.



SkillIcon_1102_SkillTree1.png Bonus Ability 1: Nightshade


In battle, when Seele's SPD exceeds 160, she takes 30% less AoE DMG from enemies, cannot be selected as the target of enemies' single-target skills, and is immune to Crowd Control debuffs (once every 3 turns). On this basis, for every 5 additional SPD points, the base multiplier of her Skill is increased by 25%, with a maximum increase of 200%.



SkillIcon_1102_SkillTree3.png Bonus Ability 3: Rippling Waves


After using a Basic ATK or Skill, Seele's next action is advanced by 33%. After using the Skill for a total of 4 action turns (excluding Skills used during extra turns from Resurgence), Seele immediately triggers Resurgence once (can be triggered after an interval of 5 turns).



SkillIcon_1102_BP.png Skill: Sheathed Blade


Increases Seele's SPD by 30%~40% and deals Quantum DMG equal to 150%~300% of Seele's ATK to one designated enemy target. The SPD boost effect lasts for 2 turns.



SkillIcon_1102_Ultra.png Ultimate: Butterfly Flurry


Immediately enters the Amplification state and deals Quantum DMG equal to 330%~550% of Seele's ATK to one designated enemy target.



Eidolons 1: Extirpating Slash


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When Seele deals DMG to an enemy with HP in a specific range, the following effects are triggered:

50% or higher: Seele's attacks ignore 15% of the enemy's DEF.

Below 50%: Inflicts additional Quantum DMG equal to 16% of the enemy's lost HP (reduced to 8%/2% for Elite/Boss enemies).



Eidolons 2: Dancing Butterfly


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The SPD boost effect of Seele's Skill can be stacked up to 2 times. After Seele defeats an enemy, the SPD boost effect applies to the entire party for 2 turns.



Eidolons 6: Shattering Shambles


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After using the Ultimate, Seele inflicts the Butterfly Flurry state on the attacked enemy target for 1 turn.

Enemies in the Butterfly Flurry state take an additional instance of Quantum DMG equal to 30% of Seele's Ultimate DMG when attacked by other allies. When taking DMG from Seele, they take True DMG equal to 10% of the DMG Seele deals this time. If the target is defeated by the additional DMG from the Butterfly Flurry state triggered by other allies, Seele's Talent will also be triggered.

When Seele is knocked down, the Butterfly Flurry state on enemy targets is removed.



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