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· Lynnea's Elemental Skill has two versions: a single press and a repeated press.
· Single Press: Summons 'Lumi' to automatically attack nearby enemies and periodically apply Geo. If there are Geo Crystallize shards generated by Geo Resonance after Lumi attacks twice, a third attack will deal additional Geo Crystallize damage.
· With a duration of 25 seconds and a cooldown of 18 seconds, its uptime is very high, and its wide attack range makes it powerful in multi-target combat.
· Even a C0 Lynnea equipped with the 'Slingshot' weapon can deal 100,000 Geo Crystallize damage every 3 seconds, making her a very strong sub-DPS.
· Repeated Press Version: After using the skill, repeatedly pressing it causes Lumi to grow larger, changing its performance and dealing massive damage on initial activation. It can deal 500,000-600,000 damage and also increases resistance to interruption.
· However, the repeated press version's sustained damage after the initial hit is weaker, and its Geo application frequency also decreases, making its overall performance inferior to the single press version.
· Generally, it's more efficient to use the single press version, and only use the repeated press to quickly finish off enemies when their HP is low.
· Similar to Xia, the Elemental Skill's damage scales only with DEF, and ATK has no effect.

· Lynnea's Elemental Burst is a healing skill.
· Upon activation, it immediately heals the entire team and then continuously heals the active character.
· If the Elemental Skill 'Lumi' is not summoned, it will summon Lumi. If Lumi is already summoned, it will reset its duration.
· However, since the Elemental Skill can practically be used permanently, there's no need to use the Elemental Burst for skill extension.
· The healing amount also scales with Lynnea's DEF.
· In actual use, it heals the entire team for approximately 8000 HP and continuously heals the active character for about 1700 HP over 12 instances, providing sufficient healing performance as a healer.
· It also has no issues generating 'stacks' for Furina.

· Unique Talent 1 (A4): While Lumi is summoned, it decreases the Geo RES of nearby enemies by 15%. This applies regardless of team composition, and if Geo Crystallize shards are abundant, the RES reduction is enhanced to 30%. This is a very high value, close to Zhongli's 36%.
· Unique Talent 2 (A5): Provides an Elemental Mastery buff to allies. Grants an Elemental Mastery buff equal to 5% of Lynnea's DEF to the active character.
· This buff only applies to 'Geo Resonance' characters (Geo characters), and if there are no Geo Resonance characters, it applies to Lynnea herself.
· It activates permanently without any activation conditions or duration limits. It provides 100 Elemental Mastery at 2000+ DEF, 125 at 2500+ DEF, and 150 at 3000+ DEF.
· Unique Talent 3: When Lynnea is in the team, Hydro Crystallize shards are converted into Geo Crystallize shards, and Geo Crystallize damage increases proportionally to Lynnea's DEF. This is a common trait for 'Geo Resonance' characters, further amplifying Xia's Geo Crystallize damage.
· Exploration Talent: Aimed Shot charge time is significantly reduced. Using this Aimed Shot near animals allows you to capture them, and near minerals allows you to collect them.
· Animal capture has a limited number of uses but doesn't require a 'net', and mineral collection allows you to destroy and retrieve minerals from a distance without any usage limits. The mineral destruction range is also very wide, maximizing exploration efficiency.

· Lynnea's Constellation effects are as follows:

Constellation	Details
C1	Gains a buff after Elemental Skill activation. When an ally deals Geo Crystallize Reaction damage, consumes a stack to increase damage by 75% of Lynnea's DEF. When Lynnea uses the repeated press version of her Elemental Skill, consumes 5 stacks to increase damage by 150% of her DEF.
C2	After activating Geo Harmony, increases the Crit DMG of all Hydro/Geo characters in the team by 40% for 8 seconds. Lynnea's repeated press Elemental Skill gains 150% Crit DMG. When the team's Geo Crystallize shards are abundant, using the Elemental Skill (single press/hold) to deal Geo Crystallize damage will definitively activate Geo Harmony.
C3	Elemental Skill Level +3.
C4	After activating Geo Harmony, grants a 25% DEF buff to the active character and herself for 5 seconds. If Lynnea is on the field, she receives both buffs, gaining a 50% DEF buff.
C5	Elemental Burst Level +3.
C6	C1 effect enhanced: When Elemental Skill 'Geo Harmony' is activated, immediately gains max stacks. When stacks are consumed, the damage increase effect is amplified by 1.5 times. When the team's Geo Crystallize shards are abundant, Geo Crystallize damage for the entire team is increased by 25% (separate multiplier).

· C2 and C6 are particularly powerful; C2 is comparable to Rauma's C2 in Geo Crystallize parties.
· C1 has a relatively lower priority, so it's better to prioritize her signature weapon when pulling.

· Xia (Itto) Party: Replacing Gorou and Albedo with Lynnea in existing Xia parties is the most ideal.
· Although not all team members will be 'Geo Resonance' characters, causing the Geo Resonance buff to disappear, Lynnea's powerful performance more than compensates for this.
· Replacing Gorou with Lynnea increases damage by approximately 1.2 times.
· Lynnea's healing ability increases survivability, but it's important to note that she doesn't provide an interruption resistance buff.
· Existing Geo DPS Parties: Forming a Geo Crystallize party with existing Geo DPS characters like Navia or Noelle will be powerful.
· Since Lynnea is such a strong support, a Lynnea Geo Crystallize party will fundamentally be the strongest composition for all Geo DPS characters.
· It surpasses the power of the existing Itto-Albedo-Gorou Geo Crystallize party, making it highly recommended for users who play Geo main DPS characters.
· Furina Combination: A combination that utilizes Furina and generates her 'stacks' with Lynnea's healing is also powerful.
· Non-Geo Crystallize Parties (4th Slot): Lynnea possesses Elemental Mastery buffs and healing abilities, allowing her to be used in the 4th slot of parties other than Geo Crystallize compositions.
· For example, in a Neuvillette party, she can provide similar performance to Xia for enhancing survivability.
· While using Sucrose or Nahida might offer higher pure damage, if you want to enhance survivability, slotting Lynnea into the 4th slot of a Neuvillette party is a good option.

· Skill Leveling Priority: Elemental Skill > Elemental Burst. Normal Attacks are not used, so there's no need to level them.
· Since the Elemental Skill is deeply tied to Geo Crystallize damage, Level 90 is essential.
· The Elemental Burst only affects healing performance, so adjust its level to 6-9 depending on the importance of healing.

· Artifacts:

Category	Details
Main Sets	Golden Troupe 4-piece: Provides high damage as a sub-DPS. Husk of Opulent Dreams 4-piece: Maximizes DEF and Elemental Mastery buffs. At C1 or higher, Husk becomes nearly equivalent to or even surpasses Golden Troupe.
Main Stats	Sands: DEF% or Energy Recharge Goblet: DEF% or Crit Rate/DMG Circlet: Crit Rate/DMG ※ If you want to use her Elemental Burst every rotation, choose Energy Recharge for Sands. If you want to maximize Elemental Mastery buffs, choose DEF% for all pieces.
Effective Substats	Crit Rate/DMG > DEF% > Energy Recharge > Elemental Mastery

· Weapons:

Category	Details
Signature Weapon	Signature Bow: High Crit DMG, DEF%, provides Geo Crystallize buff and Geo DMG Bonus to herself and allies. Approximately 30% damage difference compared to 'Slingshot'.
5-star Alternatives	Aqua Simulacra: High Crit DMG, DMG Bonus. Also effective due to damage contribution outside of Geo Crystallize. Hunter's Path: High Crit Rate. Elegy for the End: Reduces Lynnea's personal damage but provides strong support when combined with Xia.
4-star/3-star Alternatives	Slingshot (3-star): Significantly increases Crit Rate, very efficient given Lynnea's ATK-independent scaling. If no 5-star weapon is available, Slingshot is the best choice.