Undying Flame — Wuthering Waves

Summary stats

Base ATK	412.00
Secondary Stat	ATK
Passive Name	Loyalty
Passive Description	When Intro Skill is cast, increases Resonance Skill DMG Bonus by 20% for 15s.

Refinement / passive

Rank 1 Loyalty

When Intro Skill is cast, increases Resonance Skill DMG Bonus by 20% for 15s.

Rank 2 Loyalty

When Intro Skill is cast, increases Resonance Skill DMG Bonus by 25% for 15s.

Rank 3 Loyalty

When Intro Skill is cast, increases Resonance Skill DMG Bonus by 30% for 15s.

Rank 4 Loyalty

When Intro Skill is cast, increases Resonance Skill DMG Bonus by 35% for 15s.

Rank 5 Loyalty

When Intro Skill is cast, increases Resonance Skill DMG Bonus by 40% for 15s.

Stat progression

Values by promotion phase and level (from game data).

Promotion 0 — 20 steps

Level	Values
1	ATK: 33 ATK: 6.75% (ratio)
2	ATK: 35.7786 ATK: 6.75% (ratio)
3	ATK: 38.5605 ATK: 6.75% (ratio)
4	ATK: 41.3424 ATK: 6.75% (ratio)
5	ATK: 44.121 ATK: 8.06% (ratio)
6	ATK: 46.9029 ATK: 8.06% (ratio)
7	ATK: 49.6848 ATK: 8.06% (ratio)
8	ATK: 52.4634 ATK: 8.06% (ratio)
9	ATK: 55.2453 ATK: 8.06% (ratio)
10	ATK: 58.0272 ATK: 9.37% (ratio)
11	ATK: 60.8058 ATK: 9.37% (ratio)
12	ATK: 63.5877 ATK: 9.37% (ratio)
13	ATK: 66.3696 ATK: 9.37% (ratio)
14	ATK: 69.1515 ATK: 9.37% (ratio)
15	ATK: 71.9301 ATK: 10.69% (ratio)
16	ATK: 74.712 ATK: 10.69% (ratio)
17	ATK: 77.4939 ATK: 10.69% (ratio)
18	ATK: 80.2725 ATK: 10.69% (ratio)
19	ATK: 83.0544 ATK: 10.69% (ratio)
20	ATK: 85.8363 ATK: 12% (ratio)

Promotion 1 — 21 steps

Level	Values
20	ATK: 107.8341 ATK: 12% (ratio)
21	ATK: 110.616 ATK: 12% (ratio)
22	ATK: 113.3979 ATK: 12% (ratio)
23	ATK: 116.1765 ATK: 12% (ratio)
24	ATK: 118.9584 ATK: 12% (ratio)
25	ATK: 121.7403 ATK: 13.31% (ratio)
26	ATK: 124.5222 ATK: 13.31% (ratio)
27	ATK: 127.3008 ATK: 13.31% (ratio)
28	ATK: 130.0827 ATK: 13.31% (ratio)
29	ATK: 132.8646 ATK: 13.31% (ratio)
30	ATK: 135.6432 ATK: 14.62% (ratio)
31	ATK: 138.4251 ATK: 14.62% (ratio)
32	ATK: 141.207 ATK: 14.62% (ratio)
33	ATK: 143.9856 ATK: 14.62% (ratio)
34	ATK: 146.7675 ATK: 14.62% (ratio)
35	ATK: 149.5494 ATK: 15.94% (ratio)
36	ATK: 152.3313 ATK: 15.94% (ratio)
37	ATK: 155.1099 ATK: 15.94% (ratio)
38	ATK: 157.8918 ATK: 15.94% (ratio)
39	ATK: 160.6737 ATK: 15.94% (ratio)
40	ATK: 163.4523 ATK: 17.25% (ratio)

Promotion 2 — 11 steps

Level	Values
40	ATK: 185.4534 ATK: 17.25% (ratio)
41	ATK: 188.2353 ATK: 17.25% (ratio)
42	ATK: 191.0139 ATK: 17.25% (ratio)
43	ATK: 193.7958 ATK: 17.25% (ratio)
44	ATK: 196.5777 ATK: 17.25% (ratio)
45	ATK: 199.3563 ATK: 18.56% (ratio)
46	ATK: 202.1382 ATK: 18.56% (ratio)
47	ATK: 204.9201 ATK: 18.56% (ratio)
48	ATK: 207.702 ATK: 18.56% (ratio)
49	ATK: 210.4806 ATK: 18.56% (ratio)
50	ATK: 213.2625 ATK: 19.87% (ratio)

Promotion 3 — 11 steps

Level	Values
50	ATK: 235.2636 ATK: 19.87% (ratio)
51	ATK: 238.0422 ATK: 19.87% (ratio)
52	ATK: 240.8241 ATK: 19.87% (ratio)
53	ATK: 243.606 ATK: 19.87% (ratio)
54	ATK: 246.3846 ATK: 19.87% (ratio)
55	ATK: 249.1665 ATK: 21.19% (ratio)
56	ATK: 251.9484 ATK: 21.19% (ratio)
57	ATK: 254.7303 ATK: 21.19% (ratio)
58	ATK: 257.5089 ATK: 21.19% (ratio)
59	ATK: 260.2908 ATK: 21.19% (ratio)
60	ATK: 263.0727 ATK: 22.5% (ratio)

Promotion 4 — 11 steps

Level	Values
60	ATK: 285.0705 ATK: 22.5% (ratio)
61	ATK: 287.8524 ATK: 22.5% (ratio)
62	ATK: 290.6343 ATK: 22.5% (ratio)
63	ATK: 293.4129 ATK: 22.5% (ratio)
64	ATK: 296.1948 ATK: 22.5% (ratio)
65	ATK: 298.9767 ATK: 23.81% (ratio)
66	ATK: 301.7553 ATK: 23.81% (ratio)
67	ATK: 304.5372 ATK: 23.81% (ratio)
68	ATK: 307.3191 ATK: 23.81% (ratio)
69	ATK: 310.101 ATK: 23.81% (ratio)
70	ATK: 312.8796 ATK: 25.12% (ratio)

Promotion 5 — 11 steps

Level	Values
70	ATK: 334.8807 ATK: 25.12% (ratio)
71	ATK: 337.6626 ATK: 25.12% (ratio)
72	ATK: 340.4412 ATK: 25.12% (ratio)
73	ATK: 343.2231 ATK: 25.12% (ratio)
74	ATK: 346.005 ATK: 25.12% (ratio)
75	ATK: 348.7836 ATK: 26.44% (ratio)
76	ATK: 351.5655 ATK: 26.44% (ratio)
77	ATK: 354.3474 ATK: 26.44% (ratio)
78	ATK: 357.126 ATK: 26.44% (ratio)
79	ATK: 359.9079 ATK: 26.44% (ratio)
80	ATK: 362.6898 ATK: 27.75% (ratio)

Promotion 6 — 11 steps

Level	Values
80	ATK: 384.6909 ATK: 27.75% (ratio)
81	ATK: 387.4695 ATK: 27.75% (ratio)
82	ATK: 390.2514 ATK: 27.75% (ratio)
83	ATK: 393.0333 ATK: 27.75% (ratio)
84	ATK: 395.8119 ATK: 27.75% (ratio)
85	ATK: 398.5938 ATK: 29.06% (ratio)
86	ATK: 401.3757 ATK: 29.06% (ratio)
87	ATK: 404.1543 ATK: 29.06% (ratio)
88	ATK: 406.9362 ATK: 29.06% (ratio)
89	ATK: 409.7181 ATK: 29.06% (ratio)
90	ATK: 412.5 ATK: 30.38% (ratio)

Ascension

Phase	Level cap	Bonuses / costs
0	20	Materials Shell Credit × 8000 Crude Ring × 5
1	40	Materials Shell Credit × 16000 Basic Ring × 5 Impure Phlogiston × 5
2	50	Materials Shell Credit × 32000 Improved Ring × 4 Extracted Phlogiston × 7
3	60	Materials Shell Credit × 48000 Improved Ring × 5 Refined Phlogiston × 5
4	70	Materials Shell Credit × 64000 Tailored Ring × 4 Flawless Phlogiston × 7
5	80	Materials Shell Credit × 96000 Tailored Ring × 7 Flawless Phlogiston × 10
6	90	—