Actually even just regular plasma beam will do, even without needing to microwave.

Author: aquanight

region/crateria/central/Climb.json

@@ -935,7 +935,7 @@
           {"enemyDamage": {"enemy": "Custom Climb Pirate", "type": "contact", "hits": 1}},
           {"enemyKill": {
             "enemies": [ ["Custom Climb Pirate", "Custom Climb Pirate"]],
-            "explicitWeapons": ["Charge+Plasma", "Super", "PowerBomb"]
+            "explicitWeapons": ["Plasma", "Super", "PowerBomb"]
           }}
         ]},
         "h_CrystalFlash",