星级
技能（引擎各技能星级 · 主导度）
物件密度
本组全部难度
谱面信息
关于两个星级
官方 SR 来自 osu!（API、osu!lazer 曲库或标杆清单）。引擎 SR 是 proj7k 的固有难度引擎按 Jinjin 7K 段位标定的星级，与官方 SR 不是同一把尺子；段位是引擎 SR 最接近的段位。
Various Artists - BOF:NT Vol.2（谱师 ApoLar，Graveyard）的 osu!mania 7K 谱面，49 个难度，官方星级 0.66–7.46★，引擎星级 0.22–8.24★，段位 0th、1st、2nd、3rd。
| 难度 | 官方 | 引擎 | 段位 | 谱师 |
|---|---|---|---|---|
| Mirror[1] | 0.66★ | 0.22★ | 0th | ApoLar |
| Silver Strom[3] | 0.99★ | 0.57★ | 0th | ApoLar |
| Eiya no Cho[2] | 1.10★ | 0.56★ | 0th | ApoLar |
| EIDO[1] | 1.19★ | 0.57★ | 0th | ApoLar |
| 100 Carat Smoke Point[3] | 1.20★ | 0.76★ | 0th | ApoLar |
| ChenZhouGuang[5] | 1.36★ | 1.02★ | 0th | ApoLar |
| Unchosen[4] | 1.44★ | 0.79★ | 0th | ApoLar |
| Overjoy OVERDOSE!![3] | 1.48★ | 0.83★ | 0th | ApoLar |
| Mirror[4] | 1.51★ | 0.87★ | 0th | ApoLar |
| E.I.N.S[7] | 1.95★ | 1.45★ | 0th | ApoLar |
| Eiya no Cho[5] | 2.00★ | 1.43★ | 0th | ApoLar |
| Overjoy OVERDOSE!![6] | 2.03★ | 1.58★ | 0th | ApoLar |
| Neophyte[6] | 2.14★ | 1.78★ | 0th | ApoLar |
| Cath Maige Tuired[6] | 2.18★ | 1.74★ | 0th | ApoLar |
| Mirror[9] | 2.24★ | 2.00★ | 0th | ApoLar |
| EIDOS[5] | 2.26★ | 1.48★ | 0th | ApoLar |
| ChenZhouGuang[10] | 2.33★ | 1.99★ | 0th | ApoLar |
| 100 Carat Smoke Point[7] | 2.39★ | 2.01★ | 0th | ApoLar |
| Overjoy OVERDOSE!![9] | 2.64★ | 2.39★ | 0th | ApoLar |
| EIDOS[9] | 2.81★ | 2.67★ | 0th | ApoLar |
| Cath Maige Tuired[9] | 2.86★ | 2.67★ | 0th | ApoLar |
| Unchosen[10] | 2.96★ | 2.42★ | 0th | ApoLar |
| Silver Strom[10] | 2.97★ | 2.39★ | 0th | ApoLar |
| hyperreality[9] | 2.98★ | 2.60★ | 0th | ApoLar |
| Neophyte[10] | 3.02★ | 2.94★ | 0th | ApoLar |
| get isekaid[10] | 3.09★ | 2.88★ | 0th | ApoLar |
| Eiya no Cho[10] | 3.10★ | 2.90★ | 0th | ApoLar |
| ChenZhouGuang[12] | 3.11★ | 2.76★ | 0th | ApoLar |
| E.I.N.S[10] | 3.26★ | 3.13★ | 0th | ApoLar |
| 100 Carat Smoke Point[11] | 3.33★ | 3.02★ | 0th | ApoLar |
| Cath Maige Tuired[11] | 3.55★ | 3.46★ | 0th | ApoLar |
| Overjoy OVERDOSE!![11] | 3.61★ | 3.36★ | 0th | ApoLar |
| Unchosen[12] | 3.90★ | 3.26★ | 0th | ApoLar |
| eventide[12] | 3.90★ | 3.95★ | 1st | ApoLar |
| Tempestroph[11] | 4.09★ | 3.87★ | 1st | ApoLar |
| EIDOS[12] | 4.17★ | 3.69★ | 1st | ApoLar |
| hyperreality[12] | 4.36★ | 4.54★ | 2nd | ApoLar |
| Eiya no Cho[12] | 4.43★ | 4.18★ | 2nd | ApoLar |
| Neophyte[12] | 4.47★ | 4.47★ | 2nd | ApoLar |
| Transmission From The Backrooms[12] | 4.76★ | 4.41★ | 2nd | ApoLar |
| Hailstone[12] | 4.78★ | 4.65★ | 2nd | ApoLar |
| E.I.N.S[12] | 4.88★ | 4.47★ | 2nd | ApoLar |
| Silver Strom[12] | 4.93★ | 4.69★ | 2nd | ApoLar |
| 100 Carat Smoke Point[12] | 5.10★ | 4.78★ | 3rd | ApoLar |
| Atohs[Another12] | 5.30★ | 4.81★ | 3rd | ApoLar |
| Frostwitch[12] | 5.57★ | 5.26★ | 3rd | ApoLar |
| Atohs[12] | 5.70★ | 5.43★ | 4th | ApoLar |
| Eiya no Cho[23] | 7.40★ | 8.24★ | Gamma | ApoLar |
| Overjoy OVERDOSE!![25] | 7.46★ | 7.57★ | 9th | ApoLar |