Crescent Tide Xia Kong Fast Progression and Value Guide: Complete Route and Bonus Walkthrough

Ocean Breeze, Ode to the Summer Sky Chapter
On this vast blue ocean, a beautiful figure is about to make her debut. She is夏空 (Natsu Aki), the upcoming 5-star Resonant Hero in《鸣潮 (Echoes of the Tide)》, an enchanting presence akin to a sea nymph, captivating every sailor’s heart with her beauty and mystery. In Version 2.3, she will arrive as promised, bringing her storms and romance.
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The Path to 夏空’s Beauty
To raise 夏空 from Level 0 to 90 and max out her loop, the following materials are required:

LF Tidal Residuum (Low-Frequency Tidal Residuum): 29
MF Tidal Residuum (Mid-Frequency Tidal Residuum): 40
HF Tidal Residuum (High-Frequency Tidal Residuum): 52
FF Tidal Residuum (Full-Frequency Tidal Residuum): 61
Blazing Bone (Scorching Osteon): 46
When Irises Bloom (Day of Blooming Irises): 26
Golden Fleece: 60
Impure Crystallized Fuel: 25
Coarse Crystallized Fuel: 28
Refined Crystallized Fuel: 55
Pure Crystallized Fuel: 67
Special Resonance Catalyst: 122
Shells (贝币): 3,053,300

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夏空’s Exclusive Weapon
To upgrade 夏空’s exclusive weapon from Level 0 to 90, the following materials are required:

Crude Ring: 6
Basic Ring: 6
Improved Ring: 10
Tailored Ring: 12
Impure Crystallized Fuel: 6
Coarse Crystallized Fuel: 8
Refined Crystallized Fuel: 6
Pure Crystallized Fuel: 20
Shells (贝币): 330,000

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夏空’s Growth Journey
To raise 夏空 from Level 0 to 90, the following materials are required:

LF Tidal Residuum (Low-Frequency Tidal Residuum): 4
MF Tidal Residuum (Mid-Frequency Tidal Residuum): 12
HF Tidal Residuum (High-Frequency Tidal Residuum): 12
FF Tidal Residuum (Full-Frequency Tidal Residuum): 4
Blazing Bone (Scorching Osteon): 46
Golden Fleece: 60
Shells (贝币): 170,000

Specific details for leveling materials are as follows:
Level 20:

LF Tidal Residuum ×4
Shells ×5,000

Level 40:

Golden Fleece ×4
MF Tidal Residuum ×4
Blazing Bone ×3
Shells