s_cherry_e/sr/etc/data/skill_upgrade_cost.json

[
    {"skillType":1,"level":1,"upgradeCost":[1,100]},
    {"skillType":1,"level":2,"upgradeCost":[1,101]},
    {"skillType":1,"level":3,"upgradeCost":[1,102]},
    {"skillType":1,"level":4,"upgradeCost":[1,103]},
    {"skillType":1,"level":5,"upgradeCost":[]},
    {"skillType":2,"level":1,"upgradeCost":[1,100]},
    {"skillType":2,"level":2,"upgradeCost":[1,101]},
    {"skillType":2,"level":3,"upgradeCost":[1,102]},
    {"skillType":2,"level":4,"upgradeCost":[1,103]},
    {"skillType":2,"level":5,"upgradeCost":[]},
    {"skillType":3,"level":1,"upgradeCost":[1,100]},
    {"skillType":3,"level":2,"upgradeCost":[1,101]},
    {"skillType":3,"level":3,"upgradeCost":[1,102]},
    {"skillType":3,"level":4,"upgradeCost":[1,103]},
    {"skillType":3,"level":5,"upgradeCost":[]}
]