Arthur Wiki:Deletion policy

Reasons for Deleting Pages

 * Unnecessary
 * Duplicate
 * Not enough information to make a page
 * Based on speculation

Reasons for Deleting Images

 * Duplicates
 * Inappropriate

Steps before deletion
If you want a page/image deleted, state why you believe so in the talk section. Deletion may only be done by an administrator. If an admin approves the deletion, the page/image will be deleted.

Credit
From World Trigger Wiki