Fire angle-down shots to kill the first Evir from safely on the ledge, then collect the drop using Grapple. Crouching can help in reaching the Evir's drop if it is low.

Requires:

{
  "resetRoom": {
    "nodes": [
      1
    ]
  }
}
"canSuitlessMaridia"
"Grapple"
"canDodgeWhileShooting"
{
  "or": [
    {
      "and": [
        "Plasma",
        {
          "cycleFrames": 180
        }
      ]
    },
    {
      "and": [
        "Wave",
        {
          "cycleFrames": 240
        }
      ]
    },
    {
      "and": [
        "Spazer",
        "canFarmWhileShooting",
        {
          "cycleFrames": 280
        }
      ]
    }
  ]
}

Farm cycle drops: 1 Evir