NEVER Do in Resource Design - NEVER modify resource instances directly — Without , changing a value (like HP) modifies the shared for everyone. - NEVER use untyped arrays in Resources — allows logic errors. Always use for type safety. - NEVER store Node references in Resources — Objects that only exist in a specific SceneTree cannot be serialized. Store or . - NEVER perform heavy calculations in Resource getters/setters — Resources should be data containers. Offload logic to Nodes or specialized RefCounted classes. - NEVER skip error checks — Saving can fail due to permissions, disk space, or…