Honkai Star Rail 4.2 Character Buffs Leak Details – Everything You Need To Know

Thanks to trusted leaked information, we now know the upcoming changes coming to their skill kits, therefore, we will go over all of the changes coming to these characters and analyze how these changes will affect Firefly, Welt, Seele and Huohuo’s gameplay in their respective best teams.

Please note that since these are leaked information, they are subjected to change at any time and players should take these information with a grain of salt before they are finalized in the official release of Honkai Star Rail Version 4.2 Update. 

Firefly Buffs

For Firefly, she has received a general buff to her overall usage in the wavy she apply Fire Weakness to enemies in addition to getting a hefty damage buff:

Ability	Old Effect	New Effect	Effect Summary
Skill	Applies Fire Weakness to one designated enemy target, lasting for 2 turn(s). Deals Fire DMG equal to (0.2 × Break Effect + 200.0%) of SAM’s ATK to this target. At the same time, deals Fire DMG equal to (0.1 × Break Effect + 100.0%) of SAM’s ATK to adjacent targets. The Break Effect taken into the calculation is capped at 360%.	Restores HP by an amount equal to 25% of this unit’s Max HP. Adds Fire Weakness to one designated enemy target and its adjacent targets, lasting for 2 turns. Deals Fire DMG equal to (0.2 × Break Effect + 200.0%) of SAM’s ATK to this target. At the same time, deals Fire DMG equal to (0.1 × Break Effect + 100.0%) of SAM’s ATK to adjacent targets. The Break Effect taken into the calculation is capped at 360%.	– Fire Weakness Application from Skill now affects up to 3 enemies at the same time.
Additional Ability 1	During the Complete Combustion, attacking enemies that have no Fire Weakness can also reduce their Toughness, with the effect being equivalent to 55% of the original Toughness Reduction from abilities.	While in the Complete Combustion state, SAM’s Break Effect increases by 25%. When using Enhanced Basic ATK or Enhanced Skill to inflict Weakness Break on a target, the Complete Combustion countdown is delayed by 10%. This effect can trigger a maximum of 3 time(s) during each Complete Combustion state.	– Removes Firefly ability to reduce weakness bar regardless of elements due to her now being able to apply Fire Weakness on all of her targets. – Grants Firefly a boost in Break Effect and allow her to delay her Combustion end whenever she uses her attacks, helping to prolong her damage window overall.
Additional Ability 2	When SAM is in Complete Combustion with a Break Effect that is equal to or greater than 200%/360%, attacking a Weakness-Broken enemy target will convert the Toughness Reduction of this attack into 1 instance of 35%/50% Super Break DMG.	When SAM is in Complete Combustion with a Break Effect that is equal to or greater than 150%/300%, attacking a Weakness-Broken enemy target will convert the Toughness Reduction of this attack into 1 instance of 100%/150% Super Break DMG.	– Reduces the required amount of Break Effect Firefly needs to get her max damage output. – Triples the amount of Super Break Damage she does upon reaching Break Effect thresholds.
Eidolon 2	While in Complete Combustion, using the Enhanced Basic ATK or the Enhanced Skill to defeat an enemy target or to Break their Weakness allows SAM to immediately gain 1 extra turn. This effect can trigger again after 1 turn(s).	While in the Complete Combustion state, using the Enhanced Basic ATK or the Enhanced Skill to defeat an enemy target or to Break their Weakness allows SAM to immediately gain 1 extra turn. This effect can only trigger 1 time per turn, and the trigger count resets at the start of SAM’s turn.	– Reduce the Extra Turn Cooldown for Firefly 2nd Eidolons effect from once every 2 turns into once every turn, helping her to cycle her damage much faster.

Welt Buffs

Welt has received an overhaul to his skill kit to allow him to become a better debuffer with multiple instances of defense reduction effects on enemies:

Ability	Old Effect	New Effect	Effect Summary
Skill	Deals Imaginary DMG equal to 72% of Welt’s ATK to one designated enemy and further deals DMG 2 extra times, with each time dealing Imaginary DMG equal to 72% of Welt’s ATK to a random enemy. On hit, there is a 75% base chance to reduce the enemy’s SPD by 10% for 2 turn(s).	Deals Imaginary DMG equal to 72% of Welt’s ATK to one designated enemy and further deals DMG 4 extra times, with each time dealing Imaginary DMG equal to 72% of Welt’s ATK to one random enemy. On hit, there is a 75% base chance to reduce the enemy’s SPD by 10% for 2 turn(s).	– Welt Skill now bounces up to 4 extra times instead of only 2.
Ultimate	Deals Imaginary DMG equal to 150% of Welt’s ATK to all enemies. Has a 100% base chance to Imprison hit enemy targets for 1 turn.While Imprisoned, enemy targets have their actions delayed by 12.0% and their SPD reduced by 10%. After using his Ultimate, inflicts Slow on all enemies. When Slow targets are attacked, their actions are delayed by 4.0%. This effect can trigger up to 8 time(s) per target per turn. Slow lasts for 2 turn(s).	Deals Imaginary DMG equal to 150% of Welt’s ATK to all enemies. Has a 100% base chance to Imprison hit enemy targets for 1 turn.While Imprisoned, enemy targets have their actions delayed by 12.0% and their SPD reduced by 10%. After using his Ultimate, inflicts the “Weightless” state on all enemies. When targets in “Weightless” state are attacked, their actions are delayed by 4.0%. This effect can trigger up to 8 time(s) per target per turn. “Weightless” lasts for 2 turn(s)	– Welt now inflicts Weightless instead of Slow, which is a unique effect that can stack with other Action Delay debuffs.
Talent	When hitting an enemy that is already Slowed, Welt deals Imaginary Additional DMG equal to 60% of his ATK to the enemy.	Enemy targets in the “Weightless” state have their DEF reduced by 40%. When hitting an enemy that is already Slowed, Welt deals Imaginary Additional DMG equal to 100% of his ATK to the enemy.	– Welt’s talent now reduces the defense of enemies inflicted with the “Weightless” status.- His damage against Slowed enemies is increased.
Bonus Ability 1	When using Ultimate, there is a 100% base chance to increase the DMG taken by the targets by 12% for 2 turn(s).	When using Ultimate, there is a 100% base chance to increase the DMG taken by the targets by 35% for 2 turn(s).	– Increase the damage taken by enemies when Welt uses his Ultimate.
Bonus Ability 2	Using Ultimate additionally regenerates 10 Energy.	When Welt uses Basic ATK or Skill, additionally deals 1 extra instance of Additional DMG to the enemy target. The Additional DMG dealt when using Basic ATK is equal to 80% of Basic ATK DMG multiplier. The Additional DMG dealt when using Skill is equal to 120% of Skill DMG multiplier.	– Welt now does an additional Basic Attack or damage instance when using his Basic Attack or Skill.
Bonus Ability 3	Deals 20% more DMG to enemies inflicted with Weakness Break.	When Welt’s Effect Hit Rate is greater than 40%, for every 10% that exceeds this value, increases ATK by 20%, up to a maximum increase of 80%. When using Ultimate, additionally restores 5 Energy	– Welt now gains an Attack buff that scales off his Effect hit Rate.
Eidolon 1	After using Ultimate, Welt gets enhanced. Then, the next 2 time(s) he uses Basic ATK or Skill, deals 1 extra instance of Additional DMG to the enemy target. The Additional DMG dealt when using Basic ATK is equal to 50% of Basic ATK DMG multiplier. The Additional DMG dealt when using Skill is equal to 80% of Skill DMG multiplier.	After using a Skill or Ultimate to hit a target in the “Weightless” state, deals 1 additional instance of Imaginary Additional DMG equal to 40% of the Ultimate’s DMG multiplier. This effect can only be triggered once per target per attack.	– Welt now deal an additional damage instance against enemies with “Weightless” when using his Skill or Ultimate.
Eidolon 4	When using Skill, increases the base chance of reducing the attacked enemy target’s SPD by 35%.	When using a Skill or Ultimate to hit an enemy target in the Slow state, increases CRIT Rate by 20% and CRIT DMG by 50%.	– Welt now gains additional critical stats when attacking enemies under the slow state with his Skill or Ultimate.
Eidolon 6	When using Skill, deal DMG for 1 extra time to a random enemy.	Enemy targets in the “Weightless” state have their All-Type RES reduced by 30%.	– Enemies under “Weightless” now get their all-type resistances reduced.

Seele Buffs

For Seele, she has received a massive damage buff in all of her kit in addition to gaining additional damage instances to help her deal more damage outside of her own turn:

Ability	Old Effect	New Effect	Effect Summary
Skill	Increases Seele’s SPD by 25% for 2 turn(s) and deals Quantum DMG equal to 220% of Seele’s ATK to one designated enemy.	Increases Seele’s SPD by 25% for 3 turn(s) and deals Quantum DMG equal to 360% of Seele’s ATK to one designated enemy target. After an ally target attacks, if the attack target’s current HP percentage is 50% or below, Seele will automatically use her Skill at that target 1 time. This Skill does not consume Skill Points or regenerate Energy. This effect can only be triggered 1 time per turn and resets at the start of Seele’s turn. If there are no valid targets to attack, she attacks the enemy target with the lowest HP percentage instead.	– The Skill received an overall damage modifier increase. – Seele now initiates a Follow Up Skill Attack when an ally attacks an enemy under 50% HP.
Ultimate	Seele enters the Amplification state and deals Quantum DMG equal to 425% of her ATK to one designated enemy.	Seele enters the Amplification state and deals Quantum DMG equal to 720% of her ATK to one designated enemy.	– Seele now deal more damage on her Ultimate.
Talent	Enters the Amplification state upon defeating an enemy with Basic ATK, Skill, or Ultimate, and receives an extra turn. While in the Amplification state, the DMG of Seele’s attacks increases by 80% for 1 turn(s).Enemies defeated in the extra turn provided by “Resurgence” will not trigger another “Resurgence.”	Enters the Amplification state upon defeating an enemy with Basic ATK, Skill, or Ultimate, and receives an extra turn. While in the Amplification state, the DMG dealt by Seele increases by 80% for 3 turn(s).Enemies defeated in the extra turn provided by “Resurgence” will not trigger another “Resurgence.”	– Seele’s Damage amplification effect now last 3 turns instead of 1.
Bonus Ability 1	When current HP percentage is 50% or lower, reduces the chance of being attacked by enemies.	When defeating an enemy target, increases the wearer’s DMG dealt by 50%. This effect can stack up to 3 time(s) and lasts for 3 turn(s).	– Seele now gains additional damage increase whenever she defeats enemies.
Bonus Ability 2	While Seele is in the Amplification state, her Quantum RES PEN increases by 20%.	While Seele is in the Amplification state, her Quantum RES PEN increases by 25%.	– Seele now receives a better Quantum Res Pen effect.
Eidolon 1	When dealing DMG to an enemy whose HP percentage is 80% or lower, CRIT Rate increases by 15%.	When dealing DMG to an enemy whose HP percentage is 80% or lower, increases CRIT Rate by 15%, and DMG ignores 20% of target’s DEF.	– Seele now deals ignore defense damage to enemies with 80% HP or lower.
Eidolon 6	After attacking with Ultimate, Seele inflicts “Butterfly Flurry” on the attacked enemy target for 1 turn(s). Enemies in “Butterfly Flurry” will additionally take 1 instance of Quantum Additional DMG equal to 15% of Seele’s Ultimate DMG every time they are attacked. If the target is defeated by the “Butterfly Flurry” state’s Additional DMG triggered by other allies’ attacks, Seele’s Talent will not be triggered.When Seele is knocked down, the “Butterfly Flurry” inflicted on the enemies will be removed.	After attacking with Ultimate, Seele inflicts “Butterfly Flurry” on the target for 3 turn(s). Enemy targets in “Butterfly Flurry” will additionally take 1 instance of True DMG equal to 30% of Seele’s Ultimate DMG after receiving an attack. When the target under the “Butterfly Flurry” state is defeated by any unit, Seele’s Talent will also be triggered.When Seele is knocked down, the “Butterfly Flurry” inflicted on the enemies will be removed.	– Seele’s “Butterfly Flurry” now last for 3 turns and now deal True Damage – If the enemies are defeated by the True Damage, Seele’s Talent will now trigger.

Huohuo Buffs

Finally, Huohuo has received an overall improvement to her sustain abilities, allowing her to further support the team while also providing better healing to the team:

Ability	Old Effect	New Effect	Effect Summary
Skill	Dispels 1 debuff(s) from a single target ally and immediately restores this ally’s HP by an amount equal to 21.0% of Huohuo’s Max HP plus 560. At the same time, restores HP for allies that are adjacent to this target ally by an amount equal to 16.8% of Huohuo’s Max HP plus 448.	Dispels 1 debuff(s) from a single target ally and immediately restores this ally’s HP by an amount equal to 24.0% of Huohuo’s Max HP plus 640. At the same time, restores HP for allies that are adjacent to this target ally by an amount equal to 19.2% of Huohuo’s Max HP plus 512.	– Huohuo’s skill now heals more.
Talent	After using her Skill, Huohuo gains Divine Provision, lasting for 2 turn(s). This duration decreases by 1 turn at the start of Huohuo’s every turn. If Huohuo has Divine Provision when an ally’s turn starts or when an ally uses their Ultimate, restores HP for that ally by an amount equal to 4.5% of Huohuo’s Max HP plus 120. At the same time, every ally with 50% HP percentage or lower receives healing once.When Divine Provision is triggered to heal an ally, dispel 1 debuff(s) from that ally. This effect can be triggered up to 6 time(s). Using the skill again resets the effect’s trigger count.	After using her Skill or Ultimate, Huohuo gains “Divine Provision,” lasting for 3 turn(s). This duration decreases by 1 turn at the start of Huohuo’s every turn. When Huohuo has “Divine Provision” at the start of an ally target’s turn or when they use their Ultimate, restores HP for that ally and the ally with the lowest HP percentage by an amount equal to 4.5% of Huohuo’s Max HP plus 120. Then, restores HP for every ally with a current HP percentage at or below 50% by an amount equal to 4.5% of Huohuo’s Max HP plus 120.When “Divine Provision” is triggered to heal an ally target, dispels 1 debuff(s) from that target. This effect can be triggered 6 time(s). Gaining “Divine Provision” again resets the effect’s trigger count.	– Huohuo now also gains “Divine Provision” when using her Ultimate and the effect now lasts for 3 turns. – When “Divine Provision” is triggered, it now provide healing to 2 characters instead of only 1 character.
Bonus Ability 1	When battle starts, Huohuo gains Divine Provision, lasting for 1 turn(s).	When battle starts, Huohuo gains 30 Energy and “Divine Provision,” lasting for 2 turn(s).	-Huohuo now has additional Energy at the start of battle.
Bonus Ability 2	Increases the chance to resist Crowd Control debuffs by 35%.	Increases the chance to resist Crowd Control debuffs by 35%. When using Ultimate, if an ally target’s Max Energy is 160 or higher, additionally increases their ATK by 24%.	– Huohuo now provides even more attack buff to allies with high Energy Cost.
Eidolon 1	The duration of Divine Provision produced by the Talent is extended by 1 turn(s). When Huohuo possesses Divine Provision, all allies’ SPD increases by 12%.	The duration of Divine Provision produced by the Talent is extended by 1 turn(s). When Huohuo possesses Divine Provision, her Outgoing Healing increases by 20%, all allies’ SPD increases by 12%.	– Huohuo now gains additional Outgoing Healing.

Conclusion

With that, we have gone over the buffs Firefly, Welt, Seele and Huohuo will be receiving based on leaks for Honkai Star Rail Version 4.2 Update. If you are intending to roll for these characters when their inevitable rerun banners release, don’t forget to prepare some funds in advance with the help of Enjoygm – the best top up site on the web.