Musical Instrument Proficiency
Lvl: 15 Passive

When using Music-type weapon, increase DEX by 15, Atk by 80 & Atk by another 5%

Lvl: 14 Passive
• When using Music-type weapon, increase DEX by 14, Atk by 80 & Atk by another 4%
Lvl: 13 Passive
• When using Music-type weapon, increase DEX by 13, Atk by 80 & Atk by another 3%
Lvl: 12 Passive
• When using Music-type weapon, increase DEX by 12, Atk by 80 & Atk by another 2%
Lvl: 11 Passive
• When using Music-type weapon, increase DEX by 11, Atk by 80 & Atk by another 1%
Lvl: 10 Passive
• When using Music-type weapon, increase DEX by 10 & Atk by 80
Lvl: 9 Passive
• When using Music-type weapon, increase DEX by 9 & Atk by 72
Lvl: 8 Passive
• When using Music-type weapon, increase DEX by 8 & Atk by 64
Lvl: 7 Passive
• When using Music-type weapon, increase DEX by 7 & Atk by 56
Lvl: 6 Passive
• When using Music-type weapon, increase DEX by 6 & Atk by 48
Lvl: 5 Passive
• When using Music-type weapon, increase DEX by 5 & Atk by 40
Lvl: 4 Passive
• When using Music-type weapon, increase DEX by 4 & Atk by 32
Lvl: 3 Passive
• When using Music-type weapon, increase DEX by 3 & Atk by 24
Lvl: 2 Passive
• When using Music-type weapon, increase DEX by 2 & Atk by 16
Lvl: 1 Passive
• When using Music-type weapon, increase DEX by 1 & Atk by 8

Self

{
  "id": 119021,
  "BuffName": "Musical Instrument Proficiency [Peak]",
  "BuffRate": {
    "Odds": 100
  },
  "Condition": {
    "type": "Equip",
    "typeID": 260
  },
  "BuffEffect": {
    "Atk": 80,
    "Dex": {
      "a": 1,
      "b": 0,
      "type": 1
    },
    "type": "AttrChange",
    "AtkPer": {
      "a": 0.01,
      "b": -0.1,
      "type": 1
    }
  }
}

Formula

{
  "id": 1424015,
  "Buff": {
    "self": [
      119021
    ]
  },
  "Cost": 1,
  "Desc": [
    {
      "id": 1424001,
      "params": [
        15,
        5
      ]
    }
  ],
  "Icon": "skill_1424001",
  "Level": 15,
  "DescId": "##170690",
  "NameZh": "##158502",
  "Pvp_buff": {
    "self": [
      119021
    ]
  },
  "PeakLevel": 5
}