The primary difference between mini militias and larger militias is their size. As their name suggests, mini militias are smaller in size than traditional militias. This allows them to be more nimble and responsive to changes in their environment. Additionally, mini militias typically have fewer members than traditional militias, which gives them a more intimate structure that can be beneficial for developing strong relationships between members. Finally, mini militias are often more focused on specific tasks than traditional militias, which allows them to be more efficient and effective in their work.