Place the PBs next to the pillars in order to only use 2. Minimize acid by unmorphing high to land back on the jump spot or walljumping before placing the bomb.

Requires:

{
  "notable": "Two Power Bombs"
}
"canMidAirMorph"
"canCarefulJump"
{
  "ammo": {
    "type": "PowerBomb",
    "count": 2
  }
}
{
  "or": [
    {
      "and": [
        "canCarefulJump",
        "canResetFallSpeed",
        {
          "heatFrames": 660
        }
      ]
    },
    {
      "and": [
        "canWalljump",
        {
          "heatFrames": 660
        },
        {
          "or": [
            "canWallJumpInstantMorph",
            {
              "acidFrames": 30
            }
          ]
        }
      ]
    },
    {
      "and": [
        "Gravity",
        {
          "heatFrames": 660
        },
        {
          "acidFrames": 30
        }
      ]
    },
    {
      "and": [
        "canTrickyJump",
        "canSuitlessLavaDive",
        {
          "heatFrames": 720
        },
        {
          "acidFrames": 52
        }
      ]
    }
  ]
}
{
  "or": [
    "canTrickyJump",
    {
      "and": [
        "Gravity",
        {
          "heatFrames": 180
        },
        {
          "acidFrames": 56
        }
      ]
    },
    {
      "and": [
        "canSuitlessLavaDive",
        {
          "heatFrames": 240
        },
        {
          "acidFrames": 96
        }
      ]
    }
  ]
}
{
  "or": [
    "h_heatResistant",
    "canPauseAbuse",
    {
      "resourceCapacity": [
        {
          "type": "RegularEnergy",
          "count": 149
        }
      ]
    }
  ]
}

Unlocks doors:

{"types":["missiles"],"requires":[{"heatFrames":15},{"acidFrames":15}]}
{"types":["super"],"requires":[]}
{"types":["powerbomb"],"requires":[{"heatFrames":30},{"acidFrames":30}]}

Dev note: With Reserves only, canPauseAbuse is used as a proxy for pause abuse or optimal reserve management and character movement.