Variable abilityCostConst

abilityCost: {
    "10": 0;
    "11": 1;
    "12": 2;
    "13": 3;
    "14": 5;
    "15": 7;
    "16": 10;
    "17": 13;
    "18": 17;
    "7": -4;
    "8": -2;
    "9": -1;
} = ...