What is the best artifact set for a main DPS Ganyu in the Spiral Abyss in Genshin Impact?

For a main DPS Ganyu in the Spiral Abyss, the best artifact set is the Wanderer's Troupe or Blizzard Strayer, depending on your playstyle and team composition. Both sets have their strengths, and the choice largely depends on whether you are focusing on Ganyu's Charged Attacks or her Cryo damage output. Below is a detailed explanation of how to optimize Ganyu for the Spiral Abyss, including mechanics, strategies, and team compositions.

1. Detailed Explanation of Mechanics
Ganyu excels as a main DPS due to her powerful Charged Attacks, which deal massive AoE Cryo damage. Her Elemental Skill, Trail of the Qilin, taunts enemies and deals Cryo damage, while her Elemental Burst, Celestial Shower, creates a large AoE Cryo field that continuously damages enemies. In the Spiral Abyss, Ganyu's role is to deal consistent, high damage while controlling enemy movement with her taunt and AoE abilities.

The Wanderer's Troupe set boosts Charged Attack damage by 35%, making it ideal for players who rely on Ganyu's Charged Attacks. On the other hand, the Blizzard Strayer set increases Cryo damage by 15% and provides a 20-40% Crit Rate boost against enemies affected by Cryo or Frozen, making it perfect for Freeze teams.

2. Step-by-Step Strategies
To maximize Ganyu's effectiveness in the Spiral Abyss, follow these steps:
- Energy Management: Ensure Ganyu has enough Energy Recharge to use her Elemental Burst frequently. Aim for around 120-140% Energy Recharge, depending on your team composition.
- Charged Attack Focus: If using Wanderer's Troupe, prioritize Charged Attacks. Aim for headshots to trigger the Frostflake Arrow's AoE explosion.
- Freeze Combo: If using Blizzard Strayer, pair Ganyu with a Hydro character like Mona or Kokomi to freeze enemies. This maximizes the Crit Rate bonus from the artifact set.
- Crowd Control: Use Ganyu's Elemental Skill to taunt enemies and group them together, making it easier to hit multiple targets with her Charged Attacks or Elemental Burst.

3. Important Tips and Considerations
- Positioning: Ganyu is a ranged character, so maintain distance from enemies to avoid interruptions during Charged Attacks.
- Shield Support: Pair Ganyu with a shielder like Zhongli or Diona to protect her from interruptions and damage.
- Elemental Reactions: Utilize Melt reactions by pairing Ganyu with a Pyro character like Bennett or Xiangling. This significantly boosts her damage output.

4. Common Mistakes to Avoid
- Neglecting Energy Recharge: Without sufficient Energy Recharge, Ganyu's Elemental Burst uptime will suffer, reducing her overall damage.
- Poor Positioning: Standing too close to enemies can lead to interruptions during Charged Attacks, reducing DPS.
- Ignoring Elemental Reactions: Failing to utilize Melt or Freeze reactions can result in suboptimal damage output.

5. Advanced Techniques and Optimizations
- Animation Canceling: After firing a Charged Attack, dash or jump to cancel the animation and fire the next shot faster.
- Burst Timing: Use Ganyu's Elemental Burst at the start of a fight to maximize its duration and damage output.
- Team Synergy: Optimize team rotations to ensure consistent Elemental Reactions. For example, use Bennett's Elemental Burst before Ganyu's Charged Attacks to trigger Melt.

6. Team Composition Suggestions
- Freeze Team: Ganyu, Mona, Venti, Diona. This team focuses on freezing enemies and maximizing Ganyu's Crit Rate with Blizzard Strayer.
- Melt Team: Ganyu, Bennett, Xiangling, Zhongli. This team focuses on triggering Melt reactions for massive damage, using Wanderer's Troupe.
- Shield Support Team: Ganyu, Zhongli, Albedo, Bennett. This team provides strong shields and buffs to keep Ganyu safe and boost her damage.

7. Artifact and Weapon Recommendations
- Artifacts: Wanderer's Troupe (2-piece: +80 Elemental Mastery, 4-piece: +35% Charged Attack damage) or Blizzard Strayer (2-piece: +15% Cryo damage, 4-piece: +20-40% Crit Rate against Cryo-affected or Frozen enemies).
- Main Stats: Sands (ATK%), Goblet (Cryo DMG%), Circlet (Crit Rate/DMG%).
- Substats: Prioritize Crit Rate, Crit DMG, ATK%, and Energy Recharge.
- Weapons: Amos' Bow (best for Charged Attacks), Skyward Harp (great for Crit Rate and DMG), or Prototype Crescent (craftable option).

8. Specific Examples and Scenarios
- Against Crowds: Use Ganyu's Elemental Burst and Charged Attacks to deal AoE damage. Pair with Venti to group enemies together.
- Against Bosses: Focus on Charged Attacks and Melt reactions. Use Bennett's Elemental Burst to boost Ganyu's damage.
- Against Shields: Pair Ganyu with a character who can break shields effectively, such as Xiangling for Pyro shields or Chongyun for Cryo shields.

By following these strategies and optimizing Ganyu's build, you can dominate the Spiral Abyss with her as your main DPS. Focus on team synergy, proper artifact sets, and efficient energy management to maximize her potential.