ULTRA SuperiorSkyblock - Feature packed aSkyblock fork! v2.3

inventory:
  size: 27
  title: Island Upgrades
  upgrades:
    DIAMOND_HOE:
      name: '&e&lCrop Growth'
      slot: 10
      price: 100000
      lore:
      - ''
      - '&7Purchasing the growth upgrade'
      - '&7gives all crops within your island'
      - '&7increased growth speed.'
      - ''
      - '&eGrowth: &f2x Speed'
      - '&ePrice: &f$100,000'
      - ''
      - '&aLeft-click to purchase upgrade.'
      commands:
      - growth <uuid> 2
      islands: []
    MOB_SPAWNER:
      name: '&b&lSpawner Boost'
      slot: 12
      price: 500000
      lore:
      - ''
      - '&7Purchasing the spawner upgrade'
      - '&7gives all spawners within your island'
      - '&7increased spawn speed.'
      - ''
      - '&bBoost: &f4x Speed'
      - '&bPrice: &f$500,000'
      - ''
      - '&aLeft-click to purchase upgrade.'
      commands:
      - spawnrate <uuid> 4
      islands: []
    ROTTEN_FLESH:
      name: '&4&lPremium Drops'
      slot: 14
      price: 1000000
      lore:
      - ''
      - '&7Purchasing the drops upgrade'
      - '&7gives all mobs within your island'
      - '&7increased loot drops.'
      - ''
      - '&4Amount: &f2x Drops'
      - '&4Price: &f$1,000,000'
      - ''
      - '&aLeft-click to purchase upgrade.'
      commands:
      - mobdrops <uuid> 2
      islands: []
    HOPPER:
      name: '&d&lHopper Increase'
      slot: 16
      price: 1000000
      lore:
      - ''
      - '&7Purchasing the hopper upgrade'
      - '&7will increase your island''s'
      - '&7max hopper limit.'
      - ''
      - '&dAmount: &f16x Hoppers'
      - '&dPrice: &f$1,000,000'
      - ''
      - '&aLeft-click to purchase upgrade.'
      commands:
      - hoppers <uuid> 16
      islands: []

public void setGrowthMultiplier(byte multiplier);
public byte getGrowthMultiplier();

public void setSpawnRate(byte multiplier);
public byte getSpawnRate();

public void setDropMultiplier(byte multiplier);
public byte getDropMultiplier();