Samus will be slowed by lava if SpeedBooster is equipped, even with Gravity.

Requires:

"Gravity"
{
  "or": [
    "h_lavaProof",
    "canSuitlessLavaDive"
  ]
}
{
  "or": [
    {
      "and": [
        "canDisableEquipment",
        {
          "heatFrames": 270
        },
        {
          "lavaFrames": 230
        }
      ]
    },
    {
      "and": [
        "canDisableEquipment",
        "SpaceJump",
        "canCarefulJump",
        {
          "heatFrames": 225
        },
        {
          "lavaFrames": 180
        }
      ]
    },
    {
      "and": [
        {
          "heatFrames": 330
        },
        {
          "lavaFrames": 300
        }
      ]
    }
  ]
}