Introduction to Fusion Prism Echo Guide

Wuthering Waves Fusion Prism Echo Guide: Fusion Prism is a 1-Cost Echo in Wuthering Waves, classified under the Common Class. Identified as Echo No. N12, it features a fixed secondary main stat of flat HP, making it a basic but potentially useful option depending on the team setup. As a low-cost Echo, Fusion Prism is best utilized for its ability and cost efficiency, especially when building around specific skill rotations or set bonuses that benefit from having additional Echo slots available. While its individual stats and utility may be limited compared to higher-rarity options, Fusion Prism can contribute to overall team flexibility when slotted correctly within a 5-Echo composition.
Echo Ability (Skill Details)

The Fusion Prism Echo features an active ability that summons a hovering prism to fire a crystal shard forward, dealing Fusion DMG to enemies in its path. The ability has an 8-second cooldown, allowing for frequent use within rotations. Its damage scales with rank, starting at 20% + 40 Fusion DMG at Rank 1 and increasing to 36% + 72 Fusion DMG at Rank 5. At Rank 4, the displayed damage is 32% + 64 Fusion DMG, which is the current maximum for a 1-Cost Echo. While its raw output is modest, the short cooldown and elemental consistency make it a valuable tool for triggering Sonata effects, maintaining Fusion DMG uptime, and supporting low-cost Echo configurations in optimized builds.
Main Stats and Sub-Stats
Main Stat Scaling by Rank
| Rank | HP (Flat) | HP% | ATK% | DEF% |
|---|---|---|---|---|
| Rank 2 | 296 | 7.2% | 5.7% | 5.7% |
| Rank 3 | 516 | 10.2% | 8.1% | 8.1% |
| Rank 4 | 957 | 14.2% | 11.3% | 11.3% |
| Rank 5 | 2280 | 22.5% | 18.0% | 18.0% |
Sub-Stat Ranges
| Sub-Stat | Range |
|---|---|
| Flat HP | 320 – 580 |
| Flat ATK | 30 – 70 |
| Flat DEF | 30 – 70 |
| HP% | 6.4% – 11.6% |
| ATK% | 6.4% – 11.6% |
| DEF% | 8.1% – 14.7% |
| Crit. Rate | 6.3% – 10.5% |
| Crit. DMG | 12.6% – 21.0% |
| Energy Regen | 5.6% – 14.9% |
| Resonance Skill DMG Bonus | 6.4% – 12.4% |
| Basic Attack DMG Bonus | 6.4% – 11.6% |
| Heavy Attack DMG Bonus | 6.4% – 11.6% |
| Resonance Liberation DMG Bonus | 6.4% – 11.6% |
Sonata Effects
Fusion Prism can contribute to three different Sonata Effect sets depending on the resonance type of the equipped Echo: Freezing Frost, Lingering Tunes (Endless Resonance), and Molten Rift. While Fusion Prism itself has a Fusion resonance, its role in completing a Sonata set depends on how it is combined with other Echoes.

The Freezing Frost set provides a 2-piece bonus of +10% Glacio DMG, and a 5-piece bonus that grants an additional +10% Glacio DMG after using a Basic Attack or Heavy Attack, stacking up to three times and lasting 15 seconds per stack. This set is best suited for characters focused on Glacio elemental output.

Lingering Tunes—also referred to as Endless Resonance—offers a 2-piece bonus of +10% ATK, and a 5-piece bonus that increases ATK by 5% every 1.5 seconds while on the field, stacking up to four times. Additionally, it boosts Outro Skill DMG by 60%, making it an effective choice for characters that stay on-field for extended periods or frequently trigger Outro Skills.

The Molten Rift set, which aligns with Fusion Prism’s Fusion resonance, grants a 2-piece bonus of +10% Fusion DMG, and a 5-piece bonus that increases Fusion DMG by 30% for 15 seconds after using a Resonance Skill. This set is highly effective for Fusion-based characters looking to amplify their elemental output.
It’s important to note that equipping multiple Fusion Prism Echoes alone will not activate any Sonata Effects. To trigger these set bonuses, Fusion Prism must be used alongside other Echoes with matching resonance types that collectively form a 2-piece or 5-piece set configuration.
How to Get (Farming Guide)

Fusion Prism Echoes can be obtained primarily by defeating Fusion Prism enemies found throughout the open world. These enemies appear in various regions and can be efficiently tracked using the Guidebook’s Echo Hunting feature, allowing players to locate and target them with ease. In addition to overworld farming, Fusion Prism Echoes may also drop from Tacet Field Cleanups, offering an alternative method for acquisition while farming for other resources. To increase the chances of obtaining higher-rank versions, it’s best to farm at higher SOL3 Phase levels where stronger variants of these enemies appear.
Suggested Characters
Even outside of the characters listed above, Fusion Prism can be used as a filler Echo in cost-optimized builds where players need to meet Sonata resonance requirements without exceeding the total Echo cost limit. Its low cost and Fusion typing make it valuable in both Molten Rift and mixed-set configurations, particularly when prioritizing efficient resource usage and maximizing damage uptime from set effects.
Sanhua
Sanhua works well with the Freezing Frost set due to her reliance on Basic and Heavy Attacks. Fusion Prism can fill a slot in a 5-piece setup, helping activate stacking Glacio DMG bonuses. Its low cost also enables flexible Echo budgeting alongside powerful picks like Impermanence Heron or Dreamless.
Lingyang
Though Electro-based, Lingyang can use Fusion Prism in cost-efficient hybrid builds. Its 1-Cost slot is helpful for completing the Lingering Tunes set for ATK% stacking or building around stronger Echoes. While he doesn’t use Fusion DMG directly, Fusion Prism supports his on-field playstyle and frequent skill usage.
Changli
Changli benefits greatly from Fusion Prism thanks to her Fusion element and frequent use of Resonance Skills. It helps activate Molten Rift bonuses—especially the 5-piece effect granting +30% Fusion DMG after skill use. Its low cost makes it easy to pair with high-cost Echoes like Feilian Beringal or Inferno Rider while maintaining full set synergy.
Frequently Asked Questions (F.A.Q)
How much Echo Cost does Fusion Prism use?
It uses 1 Cost, making it suitable for flexible Echo slot configurations.
Is Fusion Prism good despite being a Common Echo?
Yes. Its low cost allows you to build around key 4-Cost or 3-Cost Echoes while still achieving powerful set bonuses and maintaining energy-efficient builds.
Can Fusion Prism trigger any active skill when used?
Fusion Prism does not have an active Echo Skill, as is standard for most Common Class Echoes. It serves primarily for stat padding and set synergy.


