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+author: "Poojawa"
+delete-after: True
+changes: 
+  - balance: "Ashwalkers now have lungs. They cannot breath station air without suffocation effects, but are completely fine on their homeworld."
+  - balance: "Carbon mobs now have a maximum tolerance to oxygen of 50kPa."
+  - balance: "Deluxe synthetic lungs have a very high bonus to O2 tolerance."