{
  "id": 14,
  "tiers": [
    {
      "name": "Secured",
      "yaks_required": 15,
      "upgrades": [
        {
          "name": "Build Pot of Oil",
          "description": "Fortifies the objective with a pot of burning oil.",
          "icon": "https://render.guildwars2.com/file/F5AC92A6AE1503EE3B0A940EEE6768C928396663/587138.png"
        },
        {
          "name": "Build Cannon",
          "description": "Fortifies the objective with a cannon.",
          "icon": "https://render.guildwars2.com/file/CFA860C6D3AC505CFA2C4B644A64459E9FEED114/105217.png"
        },
        {
          "name": "Recruit Outfitter",
          "description": "Recruits a general-goods vendor to the objective.",
          "icon": "https://render.guildwars2.com/file/10ADAF395F3FA119FB2F9D6E9E923D201C9D3A76/105221.png"
        },
        {
          "name": "Storage Expansion",
          "description": "Increases the objective's maximum supply hold size by 200.",
          "icon": "https://render.guildwars2.com/file/A73BF1A307D62B047B913DBBAE7409089DFE4DC9/544540.png"
        }
      ]
    },
    {
      "name": "Reinforced",
      "yaks_required": 20,
      "upgrades": [
        {
          "name": "Reinforced Walls",
          "description": "Increases the health and defense values of the objective's walls and gates to reinforced levels.",
          "icon": "https://render.guildwars2.com/file/0D354B0726B363BC0CC8F3E02F3209993C79351D/105214.png"
        },
        {
          "name": "Build Mortar",
          "description": "Fortifies the objective with a mortar.",
          "icon": "https://render.guildwars2.com/file/049438CC945BD99676B30DC3FFB67E74CA2FACDC/598970.png"
        },
        {
          "name": "Recruit Siegemaster",
          "description": "Recruits a siege-weapon vendor to the objective.",
          "icon": "https://render.guildwars2.com/file/7393E6E9F421E2D75EF17C3C6DDBBFEE0D2CA0B1/105222.png"
        },
        {
          "name": "Additional Guards",
          "description": "Recruits additional guards to protect the objective.",
          "icon": "https://render.guildwars2.com/file/D77C0CDB74642221B0F50BAE2EB50DD90A134C2D/105219.png"
        }
      ]
    },
    {
      "name": "Fortified",
      "yaks_required": 35,
      "upgrades": [
        {
          "name": "Fortified Walls",
          "description": "Increases the health and defense values of the objective's walls and gates to fortified levels.",
          "icon": "https://render.guildwars2.com/file/24069AEFB574400F4E3CAE081D71E1B10BE402FB/105216.png"
        },
        {
          "name": "Additional Guards",
          "description": "Recruit additional guards to protect the objective.",
          "icon": "https://render.guildwars2.com/file/7754BEF9551B719EA003EE7435BB76BAA3F73015/105223.png"
        },
        {
          "name": "Guard Training",
          "description": "Increases the level of all guards at the objective.",
          "icon": "https://render.guildwars2.com/file/FBA615BBE324B39DB2616C0B45BBA45E446D16D1/105220.png"
        },
        {
          "name": "Storage Expansion",
          "description": "Increases the objective's maximum supply hold size by 200.",
          "icon": "https://render.guildwars2.com/file/A73BF1A307D62B047B913DBBAE7409089DFE4DC9/544540.png"
        }
      ]
    }
  ]
}