Genshin Impact / Weapon

Tome of the Eternal Flow

Catalyst · 44.3358 · CRIT DMG · 5★

Genshin Impact hub →

Details Upgrade costs Sources

Stats & requirements

Weapon: Catalyst
Rarity: 5
Base ATK: 44.336
Secondary stat: CRIT DMG
Introduced: 4.1

Starting stats (before equipment)

ATTACK: 44.336
SPECIALIZED: 0.192

Upgrade & material costs

Choose a track to see each purchased step and the total material bill. These totals cover the listed steps; character EXP and unlisted costs are separate.

Weapon ascension0 → 6

Total for the listed steps

Mora225,000

Dross of Pure Sacred Dewdrop5

Rift Core23

Meshing Gear15

Sublimation of Pure Sacred Dewdrop14

Foreign Synapse27

Mechanical Spur Gear23

Spring of Pure Sacred Dewdrop14

Alien Life Core41

Artificed Dynamic Gear27

Essence of Pure Sacred Dewdrop6

Step by step

Upgrade	Gate	Materials
0 → 1	Lv. 20 / Rank 15	Mora × 10,000Dross of Pure Sacred Dewdrop × 5Rift Core × 5Meshing Gear × 3
1 → 2	Lv. 40 / Rank 25	Mora × 20,000Sublimation of Pure Sacred Dewdrop × 5Rift Core × 18Meshing Gear × 12
2 → 3	Lv. 50 / Rank 30	Mora × 30,000Sublimation of Pure Sacred Dewdrop × 9Foreign Synapse × 9Mechanical Spur Gear × 9
3 → 4	Lv. 60 / Rank 35	Mora × 45,000Spring of Pure Sacred Dewdrop × 5Foreign Synapse × 18Mechanical Spur Gear × 14
4 → 5	Lv. 70 / Rank 40	Mora × 55,000Spring of Pure Sacred Dewdrop × 9Alien Life Core × 14Artificed Dynamic Gear × 9
5 → 6	Lv. 80 / Rank 50	Mora × 65,000Essence of Pure Sacred Dewdrop × 6Alien Life Core × 27Artificed Dynamic Gear × 18

Weapon refinement1 → 5

Total for the listed steps

Tome of the Eternal Flow · R1 sacrifice copy4

Mora30,000

Step by step

Upgrade	Gate	Materials
1 → 2		Tome of the Eternal Flow · R1 sacrifice copy × 1Mora × 2,000
2 → 3		Tome of the Eternal Flow · R1 sacrifice copy × 1Mora × 4,000
3 → 4		Tome of the Eternal Flow · R1 sacrifice copy × 1Mora × 8,000
4 → 5		Tome of the Eternal Flow · R1 sacrifice copy × 1Mora × 16,000

Sources & image credit

Reference snapshot: 24 October 2026.

HoYoverse / COGNOSPHERE

REFERENCE INDEX

All weapon entries →Read about Genshin Impact →

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