Tome of the Eternal Flow is a premium 5-star Catalyst weapon in Genshin Impact, designed as the signature weapon for Neuvillette since version 4.1. Known for its exceptional CRIT DMG scaling and unique ability that responds to HP fluctuations, this weapon stands out for players looking to boost Charged Attack damage while maintaining strong synergy with HP-based builds.
Weapon Overview and Signature Power
As a top-tier Catalyst, Tome of the Eternal Flow provides outstanding benefits through its innate ability – Aeon Wave. This skill not only increases the wielder’s max HP but also boosts Charged Attack damage every time HP changes, making it perfect for characters who rely on health fluctuations. Its potent stat line, especially the high CRIT DMG, has made it a favorite among players seeking to maximize their damage output.
Detailed Stats and Special Skill
Base Stats and Table at a Glance
At level 1, the weapon starts with a base attack of 44 and a CRIT DMG of 19.2%. By level 90, these values increase to 542 ATK and an impressive 88.2% CRIT DMG. Such a scaling curve places Tome of the Eternal Flow in the upper echelon for Catalyst users aiming for major damage spikes in battle.
The Unique Aeon Wave Ability
The weapon’s skill, known as Aeon Wave, offers several dynamic effects:
- HP Bonus: Increases max HP by 16% (up to 32% at refinement 5).
- Charged Attack Boost: Each change in current HP boosts Charged Attack damage by 14% for 4 seconds, stacking up to three times (increasing to 30% at refinement 5).
- Energy Restoration: Restores 8 Energy when three stacks are reached or refreshed, with a 12-second cooldown.
This design rewards players who can manage HP fluctuations effectively, benefiting characters who have self-healing or self-damaging abilities.
How to Obtain and Ascension Requirements
Tome of the Eternal Flow is exclusively available during limited-time Wish events on weapon banners. Because of its rarity and special effects, acquiring it is a matter of both persistence and fortune. When it comes to ascending the weapon to level 90, players will need a specific set of materials, including assets from the Dewdrop series and mechanical gears, along with a total Mora cost of 225,000.
Ascension materials include:
- Dewdrop Series Materials (Dross, Sublimation, Spring, Essence of Pure Sacred Dewdrop)
- Rift Core, Foreign Synapse, Alien Life Core
- Meshing Gear, Mechanical Spur Gear, Artificed Dynamic Gear
Best Characters and Combat Builds
Neuvillette is the signature user of Tome of the Eternal Flow; his abilities naturally scale with HP and Charged Attack damage boosts, making this weapon best-in-slot for him. Other Catalyst users who have kits that can take advantage of high CRIT DMG and benefit from HP fluctuations may also find it valuable. Recommended artifact sets for synergistic builds include Marechaussee Hunter and Heart of Depth, with substat priorities such as HP%, CRIT DMG, CRIT Rate, and Energy Recharge.
Weapon Performance and Tier Rating
Tome of the Eternal Flow is categorized within the S-tier for DPS due to its high-impact CRIT DMG and energy restoration capabilities. While it offers unparalleled performance for characters focused on Charged Attacks and HP manipulation, its effectiveness is more limited for Catalyst users without these mechanics. However, its unique combination of benefits makes it a coveted option among players looking for explosive damage potential.
Frequently Asked Questions about Tome of the Eternal Flow in Genshin Impact
What is the Tome of the Eternal Flow?
The Tome of the Eternal Flow is a 5-star Catalyst weapon introduced in version 4.1 of Genshin Impact and is designed as Neuvillette’s signature weapon. It boasts high CRIT DMG and a unique ability that responds to HP changes.
How can I obtain the Tome of the Eternal Flow?
This weapon is exclusively available through the limited-time Wish (gacha) system on weapon banners that feature it. Its availability is tied to special events, making it a rare and coveted find.
What are the base stats at level 90?
At level 90, the Tome of the Eternal Flow has a base ATK of 542 and a CRIT DMG stat of 88.2%, making it one of the top options for Catalyst users seeking damage amplification.
What does the Aeon Wave ability do?
Aeon Wave increases the wielder’s maximum HP by 16% (up to 32% at refinement 5) and boosts Charged Attack damage by 14% for every HP change, stacking up to three times. It also restores a small amount of Energy when the third stack is activated.
Which characters benefit most from this weapon?
Neuvillette is the primary beneficiary due to his HP-scaling abilities. Additionally, any Catalyst user whose abilities interact well with HP fluctuations and rely on Charged Attacks can effectively utilize this weapon.
What artifact sets should I pair with this weapon?
For Neuvillette, artifact sets like Marechaussee Hunter and Heart of Depth are recommended. Focus on substats such as HP%, CRIT DMG, CRIT Rate, and Energy Recharge to maximize synergy with the weapon’s effects.
What are the key ascension materials required?
The ascension of the Tome of the Eternal Flow requires materials from the Dewdrop series (Dross, Sublimation, Spring, Essence of Pure Sacred Dewdrop) along with items such as Rift Core, Foreign Synapse, Alien Life Core, and various mechanical gears, as well as 225,000 Mora.
Is the weapon only useful for DPS builds?
While it is primarily geared toward DPS performance due to its high CRIT DMG and Charged Attack enhancement, its Energy restoration ability can also support rotation and burst uptime, offering some utility for supportive roles.
How does HP fluctuation affect the weapon’s performance?
The weapon shines in scenarios where the character experiences frequent HP changes, as each change can boost Charged Attack damage. This makes it ideally suited for characters with self-healing or self-inflicted damage mechanics.
Does Tome of the Eternal Flow appear in any other Genshin Impact content?
Yes, aside from its role as a Catalyst weapon in the main game, there is also a version of Tome of the Eternal Flow featured as a card in the Genius Invokation TCG. However, the card functions separately from the weapon in the main game.
