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Firefly 4.2 Update Full Analysis: Latest Build Guide with Buffs Applied!We'll dive deep into the powerful buffs applied to Firefly in the 4.2 update. This guide covers everything you need to maximize Firefly's potential, including her latest skill set, recommended Light Cones, Relic sets, main stats, and team compositions.
1. ✨ Firefly's Key Changes and Skill Analysis in Update 4.2
· Firefly received significant buffs in the 4.2 update.
· Basic Attack deals damage to a designated enemy based on Sam's ATK.
· Skill consumes 40% of Max HP, restores a fixed amount of Energy, and deals Fire DMG to enemies. Using the Skill also advances her next action by 25%.
· Ultimate enters the 'Full Combustion' state, advancing actions by 100% and enabling enhanced Basic Attacks and Skills. In this state, Speed increases by 60%, and enhanced ATK/Skill usage increases Destruction Efficiency by 50% and Destruction DMG by 20%. The 'Full Combustion' state is indicated by a fixed Speed 70 timer, and the Ultimate cannot be used in this state.
· Enhanced Basic Attack restores 20% of Max HP, and Enhanced Skill restores 25% of Max HP, applies Fire Weakness to the target for 2 turns. Additionally, the Enhanced Skill deals 0.2 * Destruction Efficiency + 200% of Sam's ATK to the target, and 0.1 * Destruction Efficiency + 100% of Sam's ATK to surrounding enemies. Destruction Efficiency is calculated up to a maximum of 360%.
· Talent increases DMG Reduction as HP decreases, reaching a maximum of 40% DMG Reduction at 20% HP or lower. In the 'Full Combustion' state, maximum DMG Reduction is always applied, and Effect RES increases by 30%. Upon entering battle, if Energy is below 50%, it's restored to 50%, and all debuffs are removed upon reaching maximum Energy.
· Technique allows her to leap into the air and move freely for 5 seconds, which can be ended with a diving attack. The diving attack deals damage to all enemies in the area. At the start of each wave, Fire Weakness is applied to all enemies for 2 turns, dealing Fire DMG equal to 200% of Sam's ATK.
· Traces A2 increases Sam's Destruction Efficiency by 25% in the 'Full Combustion' state, and Weakness Break via enhanced ATK/Skill delays the 'Full Combustion' state timer by 10% (up to 3 times).
· Traces A4 grants Overkill Conversion based on Destruction Efficiency in the 'Full Combustion' state. When attacking enemies with Weakness Broken, convert 1 instance of Toughness reduction into 100%/150% Overkill DMG.
· Traces A6 increases Destruction Efficiency by 0.8% for every 10 points of Sam's ATK exceeding 1800.
· Eidolon 'Full Combustion' grants an extra turn when defeating or breaking an enemy with an enhanced Basic Attack or Skill in the 'Full Combustion' state (once per turn).
· Eidolon E4 increases Effect RES by 50% in the 'Full Combustion' state.
· Eidolon E6 increases Fire RES PEN by 20% in the 'Full Combustion' state, and Weakness Break Efficiency increases by 50% when using enhanced Basic Attack or Skill.
· Basic Attack deals damage to a designated enemy based on Sam's ATK.
· Skill consumes 40% of Max HP, restores a fixed amount of Energy, and deals Fire DMG to enemies. Using the Skill also advances her next action by 25%.
· Ultimate enters the 'Full Combustion' state, advancing actions by 100% and enabling enhanced Basic Attacks and Skills. In this state, Speed increases by 60%, and enhanced ATK/Skill usage increases Destruction Efficiency by 50% and Destruction DMG by 20%. The 'Full Combustion' state is indicated by a fixed Speed 70 timer, and the Ultimate cannot be used in this state.
· Enhanced Basic Attack restores 20% of Max HP, and Enhanced Skill restores 25% of Max HP, applies Fire Weakness to the target for 2 turns. Additionally, the Enhanced Skill deals 0.2 * Destruction Efficiency + 200% of Sam's ATK to the target, and 0.1 * Destruction Efficiency + 100% of Sam's ATK to surrounding enemies. Destruction Efficiency is calculated up to a maximum of 360%.
· Talent increases DMG Reduction as HP decreases, reaching a maximum of 40% DMG Reduction at 20% HP or lower. In the 'Full Combustion' state, maximum DMG Reduction is always applied, and Effect RES increases by 30%. Upon entering battle, if Energy is below 50%, it's restored to 50%, and all debuffs are removed upon reaching maximum Energy.
· Technique allows her to leap into the air and move freely for 5 seconds, which can be ended with a diving attack. The diving attack deals damage to all enemies in the area. At the start of each wave, Fire Weakness is applied to all enemies for 2 turns, dealing Fire DMG equal to 200% of Sam's ATK.
· Traces A2 increases Sam's Destruction Efficiency by 25% in the 'Full Combustion' state, and Weakness Break via enhanced ATK/Skill delays the 'Full Combustion' state timer by 10% (up to 3 times).
· Traces A4 grants Overkill Conversion based on Destruction Efficiency in the 'Full Combustion' state. When attacking enemies with Weakness Broken, convert 1 instance of Toughness reduction into 100%/150% Overkill DMG.
· Traces A6 increases Destruction Efficiency by 0.8% for every 10 points of Sam's ATK exceeding 1800.
· Eidolon 'Full Combustion' grants an extra turn when defeating or breaking an enemy with an enhanced Basic Attack or Skill in the 'Full Combustion' state (once per turn).
· Eidolon E4 increases Effect RES by 50% in the 'Full Combustion' state.
· Eidolon E6 increases Fire RES PEN by 20% in the 'Full Combustion' state, and Weakness Break Efficiency increases by 50% when using enhanced Basic Attack or Skill.
00:00 - 01:26
1. ✨ Firefly's Key Changes and Skill Analysis in Update 4.2
· Firefly received significant buffs in the 4.2 update.
· Basic Attack deals damage to a designated enemy based on Sam's ATK.
· Skill consumes 40% of Max HP, restores a fixed amount of Energy, and deals Fire DMG to enemies. Using the Skill also advances her next action by 25%.
· Ultimate enters the 'Full Combustion' state, advancing actions by 100% and enabling enhanced Basic Attacks and Skills. In this state, Speed increases by 60%, and enhanced ATK/Skill usage increases Destruction Efficiency by 50% and Destruction DMG by 20%. The 'Full Combustion' state is indicated by a fixed Speed 70 timer, and the Ultimate cannot be used in this state.
· Enhanced Basic Attack restores 20% of Max HP, and Enhanced Skill restores 25% of Max HP, applies Fire Weakness to the target for 2 turns. Additionally, the Enhanced Skill deals 0.2 * Destruction Efficiency + 200% of Sam's ATK to the target, and 0.1 * Destruction Efficiency + 100% of Sam's ATK to surrounding enemies. Destruction Efficiency is calculated up to a maximum of 360%.
· Talent increases DMG Reduction as HP decreases, reaching a maximum of 40% DMG Reduction at 20% HP or lower. In the 'Full Combustion' state, maximum DMG Reduction is always applied, and Effect RES increases by 30%. Upon entering battle, if Energy is below 50%, it's restored to 50%, and all debuffs are removed upon reaching maximum Energy.
· Technique allows her to leap into the air and move freely for 5 seconds, which can be ended with a diving attack. The diving attack deals damage to all enemies in the area. At the start of each wave, Fire Weakness is applied to all enemies for 2 turns, dealing Fire DMG equal to 200% of Sam's ATK.
· Traces A2 increases Sam's Destruction Efficiency by 25% in the 'Full Combustion' state, and Weakness Break via enhanced ATK/Skill delays the 'Full Combustion' state timer by 10% (up to 3 times).
· Traces A4 grants Overkill Conversion based on Destruction Efficiency in the 'Full Combustion' state. When attacking enemies with Weakness Broken, convert 1 instance of Toughness reduction into 100%/150% Overkill DMG.
· Traces A6 increases Destruction Efficiency by 0.8% for every 10 points of Sam's ATK exceeding 1800.
· Eidolon 'Full Combustion' grants an extra turn when defeating or breaking an enemy with an enhanced Basic Attack or Skill in the 'Full Combustion' state (once per turn).
· Eidolon E4 increases Effect RES by 50% in the 'Full Combustion' state.
· Eidolon E6 increases Fire RES PEN by 20% in the 'Full Combustion' state, and Weakness Break Efficiency increases by 50% when using enhanced Basic Attack or Skill.
· Basic Attack deals damage to a designated enemy based on Sam's ATK.
· Skill consumes 40% of Max HP, restores a fixed amount of Energy, and deals Fire DMG to enemies. Using the Skill also advances her next action by 25%.
· Ultimate enters the 'Full Combustion' state, advancing actions by 100% and enabling enhanced Basic Attacks and Skills. In this state, Speed increases by 60%, and enhanced ATK/Skill usage increases Destruction Efficiency by 50% and Destruction DMG by 20%. The 'Full Combustion' state is indicated by a fixed Speed 70 timer, and the Ultimate cannot be used in this state.
· Enhanced Basic Attack restores 20% of Max HP, and Enhanced Skill restores 25% of Max HP, applies Fire Weakness to the target for 2 turns. Additionally, the Enhanced Skill deals 0.2 * Destruction Efficiency + 200% of Sam's ATK to the target, and 0.1 * Destruction Efficiency + 100% of Sam's ATK to surrounding enemies. Destruction Efficiency is calculated up to a maximum of 360%.
· Talent increases DMG Reduction as HP decreases, reaching a maximum of 40% DMG Reduction at 20% HP or lower. In the 'Full Combustion' state, maximum DMG Reduction is always applied, and Effect RES increases by 30%. Upon entering battle, if Energy is below 50%, it's restored to 50%, and all debuffs are removed upon reaching maximum Energy.
· Technique allows her to leap into the air and move freely for 5 seconds, which can be ended with a diving attack. The diving attack deals damage to all enemies in the area. At the start of each wave, Fire Weakness is applied to all enemies for 2 turns, dealing Fire DMG equal to 200% of Sam's ATK.
· Traces A2 increases Sam's Destruction Efficiency by 25% in the 'Full Combustion' state, and Weakness Break via enhanced ATK/Skill delays the 'Full Combustion' state timer by 10% (up to 3 times).
· Traces A4 grants Overkill Conversion based on Destruction Efficiency in the 'Full Combustion' state. When attacking enemies with Weakness Broken, convert 1 instance of Toughness reduction into 100%/150% Overkill DMG.
· Traces A6 increases Destruction Efficiency by 0.8% for every 10 points of Sam's ATK exceeding 1800.
· Eidolon 'Full Combustion' grants an extra turn when defeating or breaking an enemy with an enhanced Basic Attack or Skill in the 'Full Combustion' state (once per turn).
· Eidolon E4 increases Effect RES by 50% in the 'Full Combustion' state.
· Eidolon E6 increases Fire RES PEN by 20% in the 'Full Combustion' state, and Weakness Break Efficiency increases by 50% when using enhanced Basic Attack or Skill.
04:23 - 08:12
2. 💎 Recommended Light Cones for Firefly: 'Fine Odds' vs 'Her old signature'
· Best Light Cone: 'Fine Odds'
· Provides a 12% Speed boost and 18% DEF Ignore. The high base ATK is beneficial for Destruction Efficiency conversion, and the additional Speed and DEF Ignore greatly contribute to team synergy and damage output.
· Second Best: 'Her old signature'
· Offers 16% Destruction Efficiency, applies the 'Lost' debuff to enemies hit by Destruction DMG, and increases Destruction DMG by 24%. It also reduces enemy Speed by 20%.
· Free Option: Herta Shop Light Cone
· Provides an 8% ATK increase upon attacking (stacks up to 4 times) and a 12% DMG increase upon Weakness Break (16% at S5). You can achieve a total of 64% ATK increase.
· Other Option: 'Indelible Promise'
· Offers a 28% Destruction Efficiency increase. At S5, you can gain 56% Destruction Efficiency.
· Provides a 12% Speed boost and 18% DEF Ignore. The high base ATK is beneficial for Destruction Efficiency conversion, and the additional Speed and DEF Ignore greatly contribute to team synergy and damage output.
· Second Best: 'Her old signature'
· Offers 16% Destruction Efficiency, applies the 'Lost' debuff to enemies hit by Destruction DMG, and increases Destruction DMG by 24%. It also reduces enemy Speed by 20%.
· Free Option: Herta Shop Light Cone
· Provides an 8% ATK increase upon attacking (stacks up to 4 times) and a 12% DMG increase upon Weakness Break (16% at S5). You can achieve a total of 64% ATK increase.
· Other Option: 'Indelible Promise'
· Offers a 28% Destruction Efficiency increase. At S5, you can gain 56% Destruction Efficiency.
08:13 - 10:27
3. 🛡️ Recommended Relic Sets and Planar Ornaments for Firefly
· Recommended Relic Set: 4-piece 'Iron Cavalry'
· 2-piece: 16% Destruction Efficiency increase.
· 4-piece: 10% DEF Ignore increase (when dealing Destruction DMG), an additional 10% DEF Ignore (total 20%) if Destruction Efficiency is 150% or higher, and Overkill DMG increase if Destruction Efficiency is 250% or higher.
· Alternative: 4-piece 'Thief' Set
· 2-piece: 16% Destruction Efficiency increase.
· 4-piece: Recovers 3 Energy upon Weakness Break (less effective during Firefly's 'Full Combustion' state).
· 2-piece Combinations:
· 2-piece Destruction Efficiency + 2-piece Destruction Efficiency (e.g., Thief Set + Fleet of the Ageless or Messenger Traversing Hackerspace)
· 2-piece Speed + 2-piece Destruction Efficiency (e.g., Fleet of the Ageless + Messenger Traversing Hackerspace)
· Recommended Planar Ornament: 'Firmament of the Aegis'
· 6% Speed increase or 40% Destruction Efficiency increase against enemies with Fire Weakness upon attacking (Firefly can always apply Fire Weakness).
· Alternative: 'Talia'
· 40% Destruction Efficiency increase (4% lower than Aegis).
· 2-piece: 16% Destruction Efficiency increase.
· 4-piece: 10% DEF Ignore increase (when dealing Destruction DMG), an additional 10% DEF Ignore (total 20%) if Destruction Efficiency is 150% or higher, and Overkill DMG increase if Destruction Efficiency is 250% or higher.
· Alternative: 4-piece 'Thief' Set
· 2-piece: 16% Destruction Efficiency increase.
· 4-piece: Recovers 3 Energy upon Weakness Break (less effective during Firefly's 'Full Combustion' state).
· 2-piece Combinations:
· 2-piece Destruction Efficiency + 2-piece Destruction Efficiency (e.g., Thief Set + Fleet of the Ageless or Messenger Traversing Hackerspace)
· 2-piece Speed + 2-piece Destruction Efficiency (e.g., Fleet of the Ageless + Messenger Traversing Hackerspace)
· Recommended Planar Ornament: 'Firmament of the Aegis'
· 6% Speed increase or 40% Destruction Efficiency increase against enemies with Fire Weakness upon attacking (Firefly can always apply Fire Weakness).
· Alternative: 'Talia'
· 40% Destruction Efficiency increase (4% lower than Aegis).
10:28 - 12:44
4. 📈 Firefly Stat Priorities: Speed and Destruction Efficiency
· Main Stats:
· Body: ATK %
· Feet: Speed
· Sphere: ATK %
· Rope: Destruction Efficiency
· Substat Priorities:
· 1st Priority: Speed (Minimum 150, Recommended 155+)
· 2nd Priority: Destruction Efficiency (Minimum 360% - based on 'Full Combustion' state)
· 3rd Priority: ATK % (Contributes to Destruction Efficiency conversion)
· Target Stats:
· Speed: 155+ (170+ Recommended)
· Destruction Efficiency: 360%+ in 'Full Combustion' state
· Body: ATK %
· Feet: Speed
· Sphere: ATK %
· Rope: Destruction Efficiency
· Substat Priorities:
· 1st Priority: Speed (Minimum 150, Recommended 155+)
· 2nd Priority: Destruction Efficiency (Minimum 360% - based on 'Full Combustion' state)
· 3rd Priority: ATK % (Contributes to Destruction Efficiency conversion)
· Target Stats:
· Speed: 155+ (170+ Recommended)
· Destruction Efficiency: 360%+ in 'Full Combustion' state
12:45 - 14:43
5. 🤝 Optimal Team Compositions for Firefly
· Core Partner: 'Talia'
· A core member of Destruction teams, she has excellent synergy with Firefly. This is almost a mandatory pairing.
· Recommended Team Composition (DPS Focused):
· Firefly + Talia + Fu Xuan or Huo Huo + Robin or Bronya
· Recommended Team Composition (Destruction Focused):
· Firefly + Talia + Robin + Harmony MC (or other Harmony character)
· Sub-DPS/Support Options:
· Ruan Mei, Harmony MC
· For Survival:
· Lynx or Gallagher
· A core member of Destruction teams, she has excellent synergy with Firefly. This is almost a mandatory pairing.
· Recommended Team Composition (DPS Focused):
· Firefly + Talia + Fu Xuan or Huo Huo + Robin or Bronya
· Recommended Team Composition (Destruction Focused):
· Firefly + Talia + Robin + Harmony MC (or other Harmony character)
· Sub-DPS/Support Options:
· Ruan Mei, Harmony MC
· For Survival:
· Lynx or Gallagher