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Known as a trainee ranger in the Avidya Forest, often found alongside Tighnari, Collei is an introverted but well-loved 4-Star Dendro character inGenshin Impact. She is one of the first characters you meet on your journey to Sumeru and is welcoming to every traveler.
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As a Bow-wielder, Collei is better suited to the Sub-DPS role and can be a great character to createDendro Elemental Reactions. If you want to add the diligent and talented Forest Ranger to your team, here is how you can do so.
Collei Best Builds & Artifact Sets
Finding the right Artifact Set for Collei is quite simple, with anything giving her anincrease to Dendro DMG being an ideal option.Zoning in on this element will help to increase the damage from herElemental Skill and Elemental Burst, which is where you should focus most of your attention. To increase her Dendro DMG as much as possible, here is the best Artifact Set for her.
4-Set Of Deepwood Memories
A 2-Set of Deepwood Memories will give Collei a base increase of 15 percent to her Dendro DMG. A 4-Set will decrease enemies' Dendro RES by 30 percent for 8 seconds after Elemental Skills or Burst hit them. This effect can still occur even if Collei is not on the field. As a Sub-DPS, not only is this Artifact Set great for Collei’s on-field damage, but it will alsohelp herother Dendro teammates, who are the Main DPS, to deal a significant amount of damage.To build this set correctly, here are the Main Stats and Substats you can choose.
Type of Artifact
Sands of Eon
Elemental Mastery, Energy Recharge, or ATK%
CRIT Rate, CRIT DMG, Energy Recharge, ATK%, Elemental Mastery
Goblet of Eonothem
Dendro DMG Bonus
Circlet of Logos
CRIT Rate, CRIT DMG, or Elemental Mastery
Elemental Mastery is always an important stat fora Sub-DPS characterfocused on creating Elemental Reactions. Along with this, Collei has a Passive Talent whereif one of your party members creates the Burning, Quicken, Aggravate, Spread, Bloom, Hyperbloom, or Burgeon Reactions before Collei’s Floral Ring from her Elemental Skill returns, she will gain the sprout effect, which will deal Dendro DMG equivalent to 40 percent of Collei’s ATK stat to nearby enemies for 3 seconds.This is why you should build up her ATK%, as it will greatly develop her Elemental Skill damage.

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Collei’s Best 5-Star & 4-Star Weapons
The best stats to focus on when choosing a weapon for Collei includesCRIT Rate, Elemental Mastery, and Energy Recharge.These stats will ensure that her Elemental Burst and Elemental Skill are ready and waiting and will deal great damage. Of the Bow weapons available to her, we have picked out some of the best to complement her skills.
5-Star Weapons: Polar Star & Elegy For The End
Polar Star will give Collei a base increase of 7.2 percent to her CRIT Rate. Its Bonus Skill will also give her Elemental Skill and Elemental Burst DMG an increase of 12 percent. Also, after a Normal Attack, Charged Attack, Elemental Skill, or Elemental Burst hits an enemy, 1 stack of Ashen Nightstar will be obtained for 12 seconds. 1 stack will give a 10 percent ATK increase, 2 stacks will give a 20 percent increase, 3 stacks will give a 30 percent increase, and 4 stacks will give a 48 percent increase. Each stack of Ashen Nightstar created by a Normal Attack, Charged Attack, Elemental Skill, or Elemental Burst will be counted independently of the others. Use this weapon to focus onincreasing the damage output from Collei’s Elemental Skill and Elemental Burst.She will also receive anice increase in her ATK, which will further improve her Elemental Skill.
Elegy for the End will give Collei a base increase of 12 percent to her Energy Recharge. Its Bonus Skill will increase her Elemental Mastery by 60. It will also gain sigils when dealing damage with an Elemental Skill or Elemental Burst every 0.2 seconds, even when not on the field. Once it reaches 4 sigils, all of them will be consumed, and Elemental Mastery will then increase by 100 and ATK by 20 percent for 12 seconds. Once this effect is triggered, you cannot gain sigils for 20 seconds. This weapon will help to make sure that Collei’sElemental Burst is always recharged, and it will also improvethe damage from the Elemental Reactions she creates.

4-Star Weapons: The Stringless & Favonious Warbow
The Stringless will give Collei a base increase of 36 to her Elemental Mastery. Its Bonus Skill will further increase her Elemental Skill and Elemental Burst DMG by 24 percent. This weapon gives astraightforward buff to her Elemental Skill and Burst, which are the most important attacks for Collei. The boost to Elemental Mastery will helphone the damage output from the Elemental Reactionsshe creates, as well.
Favonious Warbow will give Collei a base increase of 13.3 percent to her Energy Recharge. Its Bonus Skill will give CRIT Hits a 60 percent chance to generate a small number of Elemental Particles, which will regenerate 6 Energy for Collei. This can only occur once every 12 seconds. This weapon is ideal forkeeping Collei’s Energy up, so she canuse her Elemental Burst as frequently as possible.

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Collei’s Best Team Compositions
Collei synergizes well with teams that cancreate strong Dendro Elemental Reactions.Collei is mostly used toprovide off-field damagewhile allowing the Main DPS of the team to take over and create Reactions out of her Elemental Burst. Here are the best 5-Star and 4-Star teams for her.
5-Star Team
This team is focused on creating thethree Catalyze Reactions, including Quicken, Aggravate, and Spread.This is created through a combination of the Electro and Dendro Elements.
Character Type and Benefits

Main DPS, Provides strong Dendro DMG from Charged Attack and Elemental Burst and can create Catalyze Reactions.
Sub-DPS, Provides consistent Electro application on enemies with Elemental Burst to create Catalyze Reactions.
Support, Provides strong shields to protect other team members on the field.
4-Star Team
This team will focus oncreating the three Catalyze Reactionsas well, along with theBloom Reaction, which will create Dendro Cores across the field and deal Dendro DMG to enemies nearby. When Electro is applied to these Dendro Cores, it will thencreate the Hyperbloom Reaction.
Support and Healer, Can provide healing with Elemental Skill and Hydro DMG to create Bloom Reaction.
Sub-DPS, Can provide additional strong Electro DMG with Elemental Burst.
Main DPS, Can provide consistent Electro DMG with Elemental Skill and Burst to create Elemental Reactions.